Thousands of glyphs created by an unknown culture decorate the rock formations of this canyon.

A small canyon with petroglyphs and a seasonal waterfall, only a short hike from the remnants of old Route 66.

Some 10,000 works of ancient rock art cover these volcanic basalt outcrops near the Gila River.

The highest concentration of petroglyph sites in Gold Butte National Monument, plus an improbable early 20th-century dam.

Thousands of pieces of art have been carved into the rock at the site of an ancient volcanic eruption.

A working cattle ranch with remarkably well-preserved prehistoric petroglyphs and ancient ruins.

This famous Nevada gold mine, once a hotbed of Wild West shenanigans, is now open for tours.

This naturally heated mountainous creek has created a group of neon blue pools of potentially deadly boiling water.

A remarkably well-preserved stage stop from the late 19th century in a remote part of Nevada.

A memorial to the unknown and unheralded men and women of the Cold War military and intelligence services.

This nearly abandoned town was once a thriving mining community until a series of fires.

Inside this striking glass building, visitors can see thousands of dinosaur fossils in the positions that nature deposited them more than 150 million years ago.

See 150 million-year-old dinosaur tracks and bones dating back to the Jurassic period.

One of the most extensive and well-preserved collections of dinosaur footprints in North America.

More than 300 years ago, a revolt at this Hopi pueblo shaped the future of the American Southwest.

The remains of Abó, Gran Quivera, and Qurai are monuments to the long, complicated history of the Indigenous people of the Southwest.

A hotel with a rich Wild West history of miners and bootleggers.

This spectacular track has run continuously since 1882.

The hallowed remains of a 900-year old Ancestral Pueblo great house.

One of the American Southwest's most extensive collections of Navajo rock art.

A phenomenal assembly of pueblos in New Mexico is the most complete example of ancient ruins north of the border.

The land is full of geologic eye candy, such as otherworldly spires, mushroom-shaped hoodoos, and prehistoric fossils.

This historic estate on the east shore of Lake Tahoe was home to an eccentric millionaire (and his pet elephant, Mingo).

An extensive collection of ancient Egyptian artifacts and mummies.