"Traffic sign """"warning horse-drawn carriage"""" of the Amish, Elk Creek, Erie County, Pennsylvania, United States, North America"

"Old signs on Route 66, Gallup, New Mexico, United States, North America"

"Old signs on Route 66, Gallup, New Mexico, United States, North America"

"Historic Hotel El Rancho on Route 66, Gallup, New Mexico, United States, North America"

"A road sign in the Picayune Strand State Forest warns drivers to drive carefully to protect the endangered Florida Panther, Naples, Florida, United States, North America"

"Turnoff to the Historic Route 66, Los Lunas to Albuquerque, New Mexico, United States, North America"

"Turnoff to the Historic Route 66, Los Lunas to Albuquerque, New Mexico, United States, North America"

"Sign """"road closed"""", lava field in the East Rift Zone, Kilauea volcano, Big Island, Hawaii, USA"

The heavily-polluted New River, as it enters the USA from Mexico; the pollution results from a mix of untreated sewage, agricultural runoff, and industrial waste, Calexico, California, USA, North America

Abzweigung zur Historic Route 66, Los Lunas nach Albuquerque, New Mexico, USA, Nordamerika

Abzweigung zur Historic Route 66, Los Lunas nach Albuquerque, New Mexico, USA, Nordamerika

"Warning sign on a sloping road, Coahuila, Mexico, North America"