The echoes of a railroad town that solemnly mark the end of the line.

A charming desert roadside bakery that produces 10 times more bread daily than it has residents in its town.

The second-largest giant sequoia in the world.

When ecosystems collide in the arid Southwest.

This spectacular track has run continuously since 1882.

The ancient dwellings of the Puebloans, located in the cliffs of majestic mesas.

The marker offers a rare chance to be in four U.S. states at once, though there's some controversy over its geographic accuracy.

Giant, natural amphitheaters made of delicate geological formations called "hoodoos."

The hike through a narrow river flanked by the 2,000-foot-tall walls of Zion Canyon is one of the best in the world.

A tunnel with windows, so you don't miss out on the impressive views.

The unusual patterns in this rock formation result from two distinct modes of weathering.

Colorful sand dunes create a unique attraction in this part of Utah's red-rock country.

The drama of nature in full effect in this Nevada State Park.

An abandoned quicksilver mining town surrounded by the Big Bend parks.

Located near the U.S.-Mexico border, this park remembers the famous raid of General Francisco “Pancho” Villa and his soldiers.

The location where the iconic movie character declared it was time to go home.

When it was built in 1929, this historic bridge was the only place to cross the Colorado River for 600 miles.

A strenuous, unofficial trail leads to spectacular views in one of America's most remote national monuments.

The remnants of an early automobile route across shifting sand dunes can still be found in the deserts of Southern California.

See massive fossils that are over 200 million years old in northeastern Arizona.

This public square capitalized on a single Eagles reference to bring some life back to an Arizona town.

This once-booming Gold Rush town is now home to a herd of feral donkeys.

The shop's owner has spent decades in the desert wearing nothing but a strategically placed sock.

This memorial pyramid marker honors one of the United States Government's first official camel riders.