1311-872 - The paved Greenway trail west of Monument Creek Vista at Grand Canyon Arizona with a sign warning cyclists that there is a steep grade ahead.
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. Located in Grand Canyon Arizona.
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
1311-646 - The Horse Collar Ruins with a sign warning to not disturb them due to instability, located between the Sipapu Arch Bridge and the Kachina Arch Bridge, Natural Bridges National Monument, Utah, United States of America, North America
1366-707 - Rabot, Gorno-Badakhshan Autonomous Province, Tajikistan. August 14, 2021. Landmine warning sign on a mountain pass in Tajikistan. Editorial Use Only
1311-603 - A sign along the Bright Angel Trail in Grand Canyon warning that the plants in this area are very fragile, Grand Canyon National Park, UNESCO World Heritage Site, Arizona, United States of America, North America
1116-51298 - Caution sign at Kolugljufur Gorge, a canyon with a spectacular waterfall in Northwest Iceland; Hunaping vestra, Northwestern Region, Iceland
1116-52252 - Cautionary sign placed on rocky trail to beware of falling rocks along the Franz Josef Glacier Walk in Westland Tai Poutini National Park; Whataroa, West Coast Region, South Island, New Zealand
1116-51976 - Back end of tractor carrying a load of harvested cornstalks (Zea Mays) on a highway driving through the countryside; Yarrow, British Columbia, Canada
1202-312 - A signpost at Land's End, Britain's most southwesterly point, with Longships Lighthouse and the Atlantic Ocean behind, Cornwall, England, United Kingdom, Europe
832-384901 - Caution Primitive Train, Difficult Hiking, sign with warning of unsecured trail, Devil's Garden Trail, Arches National Park, Utah, USA, North America
1116-46893 - Bear warning sign posted on a closed gate where a trail has been closed, Liard River Hot Springs Provincial Park, British Columbia, Canada
1116-46186 - Cautionary Road Sign Of Bear Crossing On A Windy Mountain Road With Vehicle On Roadway, With Mountains And Blue Sky, Waterton, Alberta, Canada
1314-117 - Kangaroo crossing warning sign along Ayers Rock drive in Uluru-Kata Tjuta National Park, UNESCO World Heritage Site, Northern Territory, Australia, Pacific