Legends surround this jagged rock formation in the New Mexico desert.

A kitschy, creepy St. Louis mainstay.

The red brick house where the father of rock 'n' roll wrote some of his classic hits.

This historic motel standing at the "crossroads of America" offers a radio in every room and was saved by local protesters.

This is not your typical jungle gym.

The world's largest man-made underground caverns offer unparalleled underwater wonders.

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

A restored, one-room African-American schoolhouse in the diva's hometown now preserves the legacy of its most famous student.

Elvis's own personal tropical hideaway.

This Memphis recording studio launched the careers of Jerry Lee Lewis, Johnny Cash, and Elvis Presley.

A recreation of the doomed ocean liner in the middle of the Smoky Mountains.

The mysterious wonder of an underground waterfall is illuminated by multicolored lights.

Wild lights and sound effects turn a walk through some caves into an eye-popping 1960s tourist attraction.

Visit this playground of waterfalls, caves and sinkholes.

All that's left of the quintessential "cabin in the woods."

Enormous lake at the bottom of a unique cave system.

A unique geological area spiked with wind-carved rocks that resemble teepees.

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

An abandoned amusement park based on the popular 1940s Red Ryder comic strip.

Crumbling remnants of what was once a booming town full of silver.

These ruins of a pre-Columbian cliff village are among the most beautiful and well preserved in New Mexico.

If drivers cross the rumble strip on this stretch of Route 66 at just the right speed it plays "America the Beautiful."

A small metropolis of Pueblo cave dwellings have been carved right into the hillside of this national monument.

Despite time, colonization, and the brutal New Mexican heat, these Pueblo ruins still stand.