1358-739 - Coyote Hotspot warning sign, High Park, Toronto, Ontario, Canada

832-405891 - Heat warning for hikers in the White Domes Loop, Valley of Fire State Park, Nevada, USA, North America

1188-1149 - Warning sign against iguanas in the Caribbean beaches of Cancun, Quintana Roo state, Mexico

1112-11505 - Sign warning against feeding sharks, Half Moon Caye, Mesoamerican Barrier Reef, Belize

1311-1090 - A warning sign stating that the road can be closed seasonally, Coconino National Forest, Arizona, United States of America

1358-604 - Sign warning of thin ice on a frozen lake in Linden Ridge, Winnipeg, Manitoba, Canada

1184-13349 - Polar bear warning sign, Grise Fjord, most northern community in America, Nunavut, Canadian Arctic, Canada, North America

802-876 - Warning Snakes sign, Watch out for snakes, rural Victoria, Australia, Pacific

802-870 - Huge avalanche, near Tangnag, Khumbu region, Himalayas, Nepal, Asia

832-405194 - Beach signs prohibiting swimming and warning of strong currents at the beach on the north shore of Oahu, Hawaii, USA, North America

832-405193 - Close-up of a surfing board on the sand at the beach. Black and white photography

1346-297 - Lighthouse on Mannu Cape wild coast of Sardinia, aerial drone view at sunset, Sardinia, Italy, Mediterranean, Europe

1385-310 - A scenic rural road with warning road signs, surrounded by lush green trees under a clear blue sky.

1384-822 - Wild boar protection sign, Sierra Alhamilla mountains around village of Nijar, Almeria, Andalusia, Spain, Europe

1384-594 - Danger sign warning of crocodiles, Pasikudah Bay, Eastern Province, Sri Lanka, Asia

1384-591 - Refrain from Using Polythene sign, Pasikudah Bay, Eastern Province, Sri Lanka, Asia

1384-575 - Notice at Gal Viharaya, ancient city of Polonnaruwa, UNESCO World Heritage Site, Sri Lanka, Asia

1384-541 - Sign warning of danger at World's End cliff at Horton Plains National Park, Sri Lanka, Asia

1384-502 - Danger sign, Ella, Badulla District, Uva Province, Sri Lanka, Asia

1384-300 - Sign protected area (Zone de Reserva), Cies Islands, Atlantic Islands Galicia Maritime Terrestrial National Park, Galicia, Spain, Europe

1384-244 - Environmental information poster about ecosystem of limestone cenotes, Yucatan, Mexico, North America

1384-173 - Peligro (Danger) sign swimming prohibited, Playa Secreto beach, Isla Mujeres, Caribbean Coast, Cancun, Quintana Roo, Mexico, North America

845-1159 - Dunes at the West Sands in St. Andrews, Fife, Scotland, United Kingdom, Europe

1383-17 - Hippopotamus Amphibius (Hippo), open jaw used as warning by males protecting females, plentiful in the Luangwa River, Zambia, Africa

1311-905 - A warning sign to stay on the trail to the historic Agate House in Petrified Forest National Park, Arizona, United States of America, North America

1311-901 - A warning sign to stay on the trail to the historic Agate House in Petrified Forest National Park, Arizona, United States of America, North America

1184-11711 - Japanese warning sign on the Crater rim of Mount Naka, an active volcano, Mount Aso, Kyushu, Japan, Asia

1184-11710 - Japanese warning sign on the Crater rim of Mount Naka, an active volcano, Mount Aso, Kyushu, Japan, Asia

1184-11708 - Japanese warning sign on the Crater rim of Mount Naka, an active volcano, Mount Aso, Kyushu, Japan, Asia

1311-872 - The paved Greenway trail west of Monument Creek Vista with a sign warning cyclists of a steep gradient ahead, Grand Canyon, Arizona, United States of America, North America

1311-864 - A warning sign at the start of the Hermit Canyon Trail stating that getting to the bottom is optional, but getting back to the top is mandatory, Grand Canyon, Arizona, United States of America, North America

844-33409 - View of sand dunes and beach with Seal Point Lighthouse in background at sunrise, Cape St. Francis, Eastern Cape Province, South Africa, Africa

844-33408 - View of beach and Seal Point Lighthouse at sunrise, Cape St. Francis, Eastern Cape Province, South Africa, Africa

844-33407 - View of beach and Seal Point Lighthouse at sunrise, Cape St. Francis, Eastern Cape Province, South Africa, Africa

844-33406 - View of beach and Seal Point Lighthouse at sunrise, Cape St. Francis, Eastern Cape Province, South Africa, Africa

844-33405 - View of beach and Seal Point Lighthouse at sunrise, Cape St. Francis, Eastern Cape Province, South Africa, Africa

844-33403 - View of Seal Point Lighthouse at sunset, Cape St. Francis, Eastern Cape Province, South Africa, Africa

844-33401 - View of Seal Point Lighthouse at sunset, Cape St. Francis, Eastern Cape Province, South Africa, Africa

844-33402 - View of Seal Point Lighthouse at sunset, Cape St. Francis, Eastern Cape Province, South Africa, Africa

1369-217 - Malarrif Lighthouse, Hellnar, Snaefellsbaer, Iceland, Polar Regions

844-33392 - View of Seal Point Lighthouse, Cape St. Francis, Eastern Cape Province, South Africa, Africa

844-33389 - View of sand dunes and beach with Seal Point Lighthouse in background, Cape St. Francis, Eastern Cape Province, South Africa, Africa

844-33388 - View of sand dunes and beach with Seal Point Lighthouse in background, Cape St. Francis, Eastern Cape Province, South Africa, Africa

1184-10856 - Aerial of Lengkuas (Old Indie Lighthouse Island), Belitung island off the coast of Sumatra, Indonesia, Southeast Asia, Asia

1184-10854 - Aerial of Lengkuas (Old Indie Lighthouse Island), Belitung island off the coast of Sumatra, Indonesia, Southeast Asia, Asia

1184-10837 - Aerial of Old Indie Lighthouse, Lengkuas Island, Belitung island off the coast of Sumatra, Indonesia, Southeast Asia, Asia

1184-10835 - Aerial of Old Indie Lighthouse, Lengkuas Island, Belitung island off the coast of Sumatra, Indonesia, Southeast Asia, Asia

1184-10836 - Aerial of Old Indie Lighthouse, Lengkuas Island, Belitung island off the coast of Sumatra, Indonesia, Southeast Asia, Asia

1184-10833 - Aerial of Old Indie Lighthouse, Lengkuas Island, Belitung island off the coast of Sumatra, Indonesia, Southeast Asia, Asia

1184-10816 - Old Indie Lighthouse, Lengkuas Island, Belitung island off the coast of Sumatra, Indonesia, Southeast Asia, Asia

1184-10815 - Old Indie Lighthouse, Lengkuas Island, Belitung island off the coast of Sumatra, Indonesia, Southeast Asia, Asia

1184-10814 - Old Indie Lighthouse, Lengkuas Island, Belitung island off the coast of Sumatra, Indonesia, Southeast Asia, Asia

1377-1 - Strong storm over the ocean, Lighthouse in Porto. Portugal, Europe

1235-1142 - Roman Pharos, an ancient lighthouse, at Dover Castle, Dover, Kent, England, United Kingdom, Europe

1311-822 - A sign in different languages warning of a dangerous cliff at the West Vista of the Trailview Overlook along the Hermit Road rim trail, Grand Canyon, UNESCO World Heritage Site, Arizona, United States of America, North America

1216-747 - Eilean Glas lighthouse, Isle of Scalpay, Outer Hebrides, Scotland, United Kingdom, Europe

1216-746 - Eilean Glas lighthouse, Isle of Scalpay, Outer Hebrides, Scotland, United Kingdom, Europe

1360-560 - Lighthouse, Pointe Saint-Mathieu, Plougonvelin, Finistere, Brittany, France, Europe

1360-561 - Lighthouse, Kermorvan, Le Conquet, Finistere, Brittany, France, Europe

1360-553 - Pink Granite Coast (Cote de Granit Rose), Ploumanac'h, Perros-Guirec, Cotes-d'Armor, Brittany, France, Europe

1360-551 - Pink Granite Coast (Cote de Granit Rose), Ploumanac'h, Perros-Guirec, Cotes-d'Armor, Brittany, France, Europe

1360-547 - Phare du Rosedo, Ile-de-Brehat, Cotes-d'Armor, Brittany, France, Europe

1360-537 - Cap Frehel, Plevenon, Cotes-d'Armor, Brittany, France, Europe

1360-535 - Cap Frehel, Plevenon, Cotes-d'Armor, Brittany, France, Europe

1360-534 - Cap Frehel, Plevenon, Cotes-d'Armor, Brittany, France, Europe

1360-533 - Cap Frehel, Plevenon, Cotes-d'Armor, Brittany, France, Europe

1360-532 - Cap Frehel, Plevenon, Cotes-d'Armor, Brittany, France, Europe

1360-529 - Cap Frehel, Plevenon, Cotes-d'Armor, Brittany, France, Europe

1245-3404 - View towards the Armenistis Lighthouse, Mykonos Island, Cyclades, Greek Islands, Greece, Europe

1245-3403 - View towards the Armenistis Lighthouse, Mykonos Island, Cyclades, Greek Islands, Greece, Europe

1245-3401 - View towards the Armenistis Lighthouse, Mykonos Island, Cyclades, Greek Islands, Greece, Europe

1184-10145 - Panorama of Slangkop Lighthouse, Cape Town, Cape Peninsula, South Africa, Africa

1184-10144 - Panorama of Slangkop Lighthouse, Cape Town, Cape Peninsula, South Africa, Africa

1184-10133 - Aerial of Slangkop Lighthouse, Cape Town, Cape Peninsula, South Africa, Africa

1184-10132 - Aerial of Slangkop Lighthouse, Cape Town, Cape Peninsula, South Africa, Africa

1184-10129 - The Twelve Apostles, Cape Town, South Africa, Africa

1184-10128 - Aerial of Slangkop Lighthouse, Cape Town, Cape Peninsula, South Africa, Africa

1111-262 - South Jeju Island coastline, South Korea, Asia

1111-249 - One of Jeju Island's many lighthouses stands against Mount Sanbangsan and Mount Hallasan, a shield volcano, Jeju Island, South Korea, Asia

1320-276 - A lighthouse in Dyrholaey on the southern coast of Iceland, Polar Regions

1245-3037 - Saint Nicholas Fortress, Rhodes City, Rhodes Island, Dodecanese, Greek Islands, Greece, Europe

1245-3013 - Windmills and Saint Nicholas Fortress, Rhodes City, Rhodes Island, Dodecanese, Greek Islands, Greece, Europe

1245-3012 - Windmills and Saint Nicholas Fortress, Rhodes City, Rhodes Island, Dodecanese, Greek Islands, Greece, Europe

1245-2896 - Heraklion Harbour at sunrise, City of Heraklion, Crete, Greek Islands, Greece, Europe

1245-2826 - Lighthouse at the Old Venetian Port, City of Rethymno, Rethymno Region, Crete, Greek Islands, Greece, Europe

1245-2825 - Lighthouse at the Old Venetian Port, dusk, City of Rethymno, Rethymno Region, Crete, Greek Islands, Greece, Europe

1245-2799 - View over Rethymnon Beach towards the Old Lighthouse, City of Rethymno, Rethymno Region, Crete, Greek Islands, Greece, Europe

1245-2797 - Old Harbour Lighthouse, City of Rethymno, Rethymno Region, Crete, Greek Islands, Greece, Europe

1245-2795 - Old Venetian Port, City of Rethymno, Rethymno Region, Crete, Greek Islands, Greece, Europe

1245-2794 - Lighthouse at the Old Venetian Harbour, City of Rethymno, Rethymno Region, Crete, Greek Islands, Greece, Europe

1245-2682 - Horse-drawn Carriage at the waterfront, City of Chania, Crete, Greek Islands, Greece, Europe

1245-2680 - Venetian Harbour at sunset, elevated view, City of Chania, Crete, Greek Islands, Greece, Europe

1245-2677 - Horse-drawn Carriage at the waterfront, City of Chania, Crete, Greek Islands, Greece, Europe

1245-2673 - Venetian Lighthouse, City of Chania, Crete, Greek Islands, Greece, Europe

1361-385 - Aerial morning view of the white lighthouse of Capo Murro di Porco on the peninsula Maddalena, Plemmirio Marine Park, Ionian Sea, Syracuse province, Sicily, Italy, Mediterranean, Europe

1235-1143 - St. Mary in Castro church and Roman Pharos, an ancient lighthouse, at Dover Castle, Dover, Kent, England, United Kingdom, Europe

1184-9470 - Lighthouse, Dombe Grande, Namibre, Angola, Africa

1184-9079 - Cape Race Lighthouse, Mistaken Point, UNESCO World Heritage Site, Avalon Peninsula, Newfoundland, Canada, North America

1184-9072 - Cape Race Lighthouse, Mistaken Point, UNESCO World Heritage Site, Avalon Peninsula, Newfoundland, Canada, North America

1184-9067 - Aerial of Cape Race Lighthouse, Mistaken Point, UNESCO World Heritage Site, Avalon Peninsula, Newfoundland, Canada, North America