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.

Follow the steps, and this roadside artwork will teach you how to dance.

Come for the springs; stay for the mud bath.

After a water tower painting was accused of being an ad, a simple fix was made that gave the city a motto.

One of the few surviving "Wigwam"-themed motels.

The world's longest known cave system.

Once in disrepair, this popular Texas stop along iconic Route 66 has been restored to its past glory.

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

The lowest point in the state of Illinois, at the confluence of the Mississippi and Ohio rivers.

A once-booming Mississippi River town with a history of racial violence is now eerie and mostly abandoned.

A sculpture of a giant man escaping from the depths of the Earth.

While most of the games in this arcade take quarters, that would have been a small fortune when they were made.

Thanks to a quirk of elevation this gift shop produces magic doughnuts that are found nowhere else on Earth.

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

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

The old Route 66 town straddling Texas and New Mexico died along with the Main Street of America.

A clear blue swimming hole with hidden caves, still unexplored.

A sculpture made of 10 Cadillacs as a monument to the "Golden Age" of the American automobile.

A late-night restaurant empire was launched from this humble storefront.

The mysterious 855-foot zigzagging stone wall has been baffling people for centuries.

Like Mars, but much closer.

These remote Florida islands have a history of sea turtles and sunken treasures, and one of the world's largest coastal brick fortresses.

Where school buses go to die and be reborn as whimsical works of art.

While comics are the main attraction at this megastore, the second floor plays host to an exhibit fit for a museum.