739-1604 - Drawing studies for the Last Supper by Andrea del Sarto

739-1603 - Drawing Studies for the Last Supper by Andrea del Sarto

739-1602 - Drawing studies for the Last Supper Andrea del Sarto

832-410245 - Young boy wearing a blue cap using binoculars observing birds in a bird hide, enjoying wildlife viewing and learning about nature in kamloops, british columbia

1372-2338 - Sedimentary ridges show history of ancient lakes and rivers in Spain's dry landscape

1372-2313 - Deep ravines reveal stratified clay and sandstone layers in Spain's Gorafe, showing geological features from the Miocene epoch

1372-2295 - View into the central courtyard of Ben Youssef Madrasa showcasing geometric mosaics and intricate plaster work in Marrakesh, Morocco

1372-2289 - Exploring the upper gallery of Ben Youssef Madrasa with stucco reliefs and zellij tilework in Marrakesh

1184-16828 - Exploration of ancient artifacts in the archaeological site of Ptolemais in Eastern Libya

1184-16820 - Exploration of ancient ruins in a landscape near Ptolemais in Eastern Libya

1184-16741 - Exploration of Haua Fteah cave with ancient human remains from 20000 years ago in Eastern Libya

1184-16740 - Haua Fteah cave shows signs of ancient human activity and discovery in Eastern Libya from 20000 years ago

1184-16738 - Remains found in Haua Fteah cave reveal human habitation from 20000 years ago in Eastern Libya

1184-16734 - Haua Fteah cave shows signs of ancient human activity in Eastern Libya with remains dating back 20000 years

1184-16733 - Exploration of Haua Fteah cave revealing evidence of ancient human presence in Eastern Libya dating back 20000 years

1184-16732 - Insights into human history from the Haua Fteah cave with ancient human remains from 20000 years ago in Eastern Libya

1184-16731 - Haua Fteah cave in eastern Libya holds remains of 20000 year old humans discovered inside

1184-16730 - Exploring Haua Fteah cave with ancient human remains in Eastern Libya

1184-16647 - Exploring ancient ruins of Apollonia in Cyrenaica, Libya, revealing cultural history and archaeological significance

809-9653 - Visit to Qassim-ibn-Abbas mausoleum in Shah-i-Zinda necropolis showcases intricate ceiling and wall designs in Samarkand, Uzbekistan

809-9457 - Rodin's The Thinker at Rodin Museum in Paris under a cloudy sky

1402-5 - Close-up view of a Glasswing butterfly highlighting the delicate veins of its wings in monochrome against a blurred background in USA

1393-179 - Description of Feigeria buteo, a moth observed in its natural habitat in Brazil's Amazon region near Manacapuru

1393-177 - Spotted beet webworm moth feeding on flowering plant in Amazon rainforest of Brazil

1393-174 - Fiery Skipper butterfly feeding on flower in Amazon rainforest of Brazil

1393-173 - Shiny blue-green blowfly observed on white flower in the Amazon rainforest during daylight in Brazil

1393-169 - Jumping spider in Manacapuru, Amazonia, Brazil explores its surroundings on a flat surface

1112-14261 - Pacific flying foxes roost in trees at breeding colony during daylight hours on Vavau Island in Tonga

1112-14260 - Adult Pacific flying fox in flight over breeding colony on Vavau Island in Tonga during daytime

1112-14258 - Adult Pacific flying fox in flight over Vavau Island in Tonga on a clear day

1112-14254 - Pod of short-finned pilot whales swimming underwater near Vavau Island in Tonga

1112-14251 - Short-finned pilot whales swimming in clear water near Vavau Island in Tonga

1112-14243 - Mother and calf humpback whales (Megaptera novaeangliae) swim together underwater near Vavau Island in Tonga during a sunny day

1112-14181 - Four adult humpback whales (Megaptera novaeangliae) swim together displaying coordinated movements near Vavau Island in Tonga

832-409856 - Aerial view from a hot-air balloon at the edge of the Namib Desert, Fairy Circles, circular patches without any vegetation which according to recent scientific studies are caused by termites, NamibRand Nature Reserve, Namibia

832-409855 - Aerial view from a hot-air balloon at the edge of the Namib Desert, Fairy Circles, circular patches without any vegetation which according to recent scientific studies are caused by termites, NamibRand Nature Reserve, Namibia

741-7177 - Exploration of ancient artifacts at the Archaeological Museum on Samos Island in Greece

741-7176 - Statue and busts display at Archaeological Museum highlighting ancient Greek culture and art from Samos Island in Greece

741-7121 - Exploring the ruins of the House of Cleopatra at Delos archaeological site in Cyclades archipelago, Greece under clear blue skies

1393-126 - Male eastern olive toad calling in Zimanga private game reserve during the night in KwaZulu-Natal, South Africa

741-7092 - Exploring ancient artifacts at the Izmir Ephesus Archeological Museum in Selcuk Turkey

741-7089 - Explore Temple of Hadrian at Ephesus archaeological site in Turkey with clear blue sky and sunlight highlighting the ruins

1382-6013 - Young monks learn computer skills in class at meditation center in Bangkok, Thailand, Southeast Asia

1218-2430 - Close details of icy ridges and mist revealing textures of snow and rock in high peaks near Borgvig in Greenland

741-7064 - Details of lichen on tree bark in a forest near Tysfjorden during an afternoon in Norway

1218-2233 - Close view of glacier surface showing volcanic sediment and meltwater channels in Icelandic ice near Vik

1112-14103 - Rock formation shaped like a crowned queen stands tall amidst the natural landscape in Isalo, Madagascar

1112-13958 - Lowland streaked tenrec forages at night in Ranomafana Botanical Gardens, Madagascar

1112-13957 - Exploring unique flowstone and cave formations in Sakalavas cave within Anjajavy Private Reserve in Madagascar

1112-13956 - Exploring flowstone formations in Sakalavas cave within Anjajavy Private Reserve located in Madagascar

1112-13955 - Exploring flowstone and cave formations in Sakalavas cave in Madagascar's limestone landscape

1112-13951 - Discovering flowstone and cave formations in Sakalavas cave of Anjajavy Private Reserve in Madagascar

1112-13949 - Exploring flowstone and cave formations in Sakalavas cave in Madagascar?s limestone

1112-13947 - Flowstone and cave formations in limestone at Sakalavas cave in Madagascar's Anjajavy Private Reserve showcasing unique geological features

1112-13945 - Remote entrance to Sakalavas cave located in limestone of Anjajavy Private Reserve in Madagascar

1112-13937 - Adult ring-tailed mongoose searches for food in the forest of Ranomafana National Park in Madagascar

1112-13934 - Ring-tailed mongoose explores the forest floor in Madagascar during daylight

1112-13877 - Adult ring-tailed lemur vocalizing in Anja Community Reserve in Madagascar during a sunny day

1112-13873 - Ring-tailed lemur stands on ground in Anja Community Reserve, exhibiting natural behavior in Madagascar

1112-13871 - Ring-tailed lemurs lick rocks for minerals in Madagascar's Anja Community Reserve during the day

1112-13867 - Pair of ring-tailed lemurs grooming each other on the ground in Madagascar

1112-13859 - Verreauxs sifaka rests in a tree and looks down in Madagascar?s Zombitse-Vohibasia National Park

1112-13853 - Mother and baby Verreauxs sifaka feeding in a bush in Madagascar during daylight

1112-13846 - Captive red-fronted brown lemur enjoys food while on Lemur Island in Madagascar during the day

1112-13843 - Captive red-fronted brown lemur rests on ground near water on Lemur Island in Madagascar

1112-13842 - Captive red-fronted brown lemurs explore the ground on Lemur Island in Madagascar during daylight hours

1112-13840 - Red ruffed lemur calls from a tree branch on Lemur Island during daylight in Madagascar

1112-13836 - Red ruffed lemur resting on a tree branch in Madagascar during the day

1112-13820 - Indri indri pair resting in a tree during the day in Madagascar

1112-13812 - Adult gray bamboo lemur rests on a tree branch in Lemur Park, Antanavarino, Madagascar during the day

1112-13806 - Captive crowned sifaka feeds on leaves in a tree in Lemur Park located in Antanavarino Madagascar

1112-13787 - Coquerels sifaka leaps from branch to branch in a tree at Lemur Park in Madagascar

1112-13754 - Young black lemur climbs in the trees at Lemur Park in Madagascar near Antanavarino

1112-13738 - Black and white ruffed lemur leaps through trees in Antasibe Madagascar

1112-13737 - Black and white ruffed lemur climbs a tree in Lemur Island within Antasibe Madagascar during the day

1112-13729 - Captive black and white ruffed lemur in a tree on Lemur Island, showing its unique features in Madagascar

1112-13727 - Black and white ruffed lemur climbing a tree in Madagascar during a sunny day

1112-13725 - Black and white ruffed lemur Varecia variegata resting with a bamboo perch in Lemur Park in Madagascar

1112-13719 - Rainbow milkweed locust sits on a branch in Madagascar, showing vivid colors and detailed features while resting

1112-13714 - Adult ornamental wandering spider Viridasius fasciatus found in a cave in Madagascar showing natural habitat and features

1112-13705 - Adult praying mantis sits on a tree branch in Madagascar among green leaves during daytime

1112-13702 - Madagascar green-emerald giant pill-millipede moves on the forest floor in Andasibe during daylight

1112-13701 - Pair of Madagascar demoiselles resting on green leaf during night in forest

1112-13693 - Snout bug blends into tree bark in Isalo National Park, Madagascar during daytime

1112-13683 - Flatid leaf bugs interact on tree branches in a national park setting in Madagascar

1112-13653 - Night encounter with pandanus frog Guibemantis pulcher in Madagascar during a wildlife exploration

1112-13646 - Bright-eyed frog resting on a branch at night in Madagascar rainforest

1112-13641 - Bright-eyed green frog Boophis viridis seen during night walk in Madagascar's forest habitat by explorers

1112-13640 - Bright-eyed frog Boophis viridis sits on a leaf during a night walk in Madagascar rainforest

1112-13630 - Striped day gecko blends with tree bark in Madagascar showcasing its unique colors and patterns in a natural setting

1112-13613 - Adult boulder mabuya Trachylepis vato resting on rocky surface in Madagascar?s natural environment

1112-13610 - Gravenhorsts mabuya rests near plant on sandy ground in Isalo National Park Madagascar

1112-13597 - Scat of Aldabra giant tortoise found at Anjajavy Private Reserve in Madagascar

1112-13596 - Examination of Aldabra giant tortoise scat found in Madagascar

1112-13586 - Madagascar cat eyed snake observes ant on the ground in Zombitse-Vohibasia National Park

1112-13577 - Short-horned chameleon, Calumma brevicorne, seen on foliage in Madagascar during daylight hours in the Andasibe area

1245-5497 - Historic structure of Temple V in Tikal surrounded by lush trees in Guatemala

1245-5488 - Exploring the ancient structures at Central Acropolis in Tikal, Peten, Guatemala during the day

1245-5474 - Exploring the ancient structures of Group A at Uaxactun Archaeological Site in Peten, Guatemala

1245-5471 - Exploring the ancient stone structures at Uaxactun Archaeological Site in Guatemala