Elvis's own personal tropical hideaway.

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

An amazing stag sculpture constructed entirely of discarded materials.

This small town Texas cemetery is said to be the burial site of a UFO pilot who crashed in the 1800s.

Beer lover's can-covered house.

Abandoned railroad tunnel is home to a colony of three million Mexican free-tail bats.

A 131-year-old wunderkammer of Texas history.

The picturesque southern city served as the zombie-filled town of Woodbury in 'The Walking Dead.'

A mysterious monument meant to be a guide into "an Age of Reason" was destroyed after an apparent bombing.

Pennsylvania's own Roswell-style UFO mystery.

The home made famous by the 1983 holiday classic is now a perfectly preserved shrine to the movie.

Fresh wooden posts have been added to ancient holes to recreate a primitive henge clock.

Once one of the world's great cities, Cahokia was a place of religious worship, trade and mass human sacrifice before being mysteriously abandoned.

One believer transformed a local curiosity into proof of Vikings on the Great Plains.

The only diamond mine in the world where you can keep what you find.

This historic hotel on Bathhouse Row in Hot Springs National Park has a storied history of gangsters and baseball greats.

The Old Mill shown in the opening credits of “Gone With the Wind” is actually fairly new, and was never a mill at all.

These faux-cliff dwellings allow visitors to climb around on a replica archaeological site.

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

This super steep hike ascends 2,000 feet in less than a mile.

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

The fifth-longest natural arch in the world, and the longest outside China.

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

This spectacular track has run continuously since 1882.