This university transit system is a 1970's vision of the future.

A working steam clock, one of only a few in the world, located in Vancouver's Victorian Gastown.

One of the Seven Wonders of the Modern World holds the world's tallest metal staircase.

A collection of more than 12,000 shoes, displayed in a building shaped like a shoebox.

Less a museum than a bizarre fantasy world created by artists and engineers.

This historic train station has been converted to a locomotive themed hotel.

Strange red rock formations that have been attributed to a higher power for hundreds of years.

The world's largest mountain carving could fit all of Mount Rushmore inside it many times over.

A museum devoted entirely to the rattlesnakes and snake-related art.

This quirky hot springs town known to locals as "T or C" was named after a radio show.

Elvis's own personal tropical hideaway.

A museum packed with instruments, lyrics, and other mementos of the American folk icon.

Sitting in the arguable birthplace of the Wild West, this museum holds the largest collection of bronco busting bric-a-brac in the world.

One of the best examples of Art Deco architecture in the United States.

Very likely the only museum in the world that celebrates the glory of the humble banjo.

The future of roadside attractions is this sci-fi soda mecca that is home to a 66-foot tall neon pop bottle.

An acoustic anomaly with a mysterious cause sits in the heart of Tulsa.

This 4,000-foot-diameter hole is touted as "the most well known, best preserved meteorite crater on Earth."

Take shelter from Hawai'i's tropical heat under the massive canopy of largest Banyan tree on the island.

The ruins of a town wiped out by the second-largest earthquake in recorded history.

This small city where almost everyone lives in the same building can only be reached via North America's longest tunnel.

This WWII-era military installation once held an entire city within its walls - now, its walls are falling down.

The king of U.S. high points towers over every other peak on the continent.

Where beautiful signs live on forever.