Since it formed millions of years ago, this cave system has been a sacred burial ground, a Prohibition-era speakeasy, and the center of an amusement park.

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

Everyone and everything one man ever loved and lost, now stare into the East for all eternity.

A whimsical folk art garden full of punny pieces and a diorama containing 3,500 toys.

You have to love a museum with a truly dedicated focus. A focus on Superman, for example.

A collection of outdoor art by renowned muralist Robert Dafford depicts the history of a flooded city.

An old bank vault in Atlanta is now the eternal shrine to the King of Rock and Roll.

One of the world’s largest collections of paper memorabilia chronicles 4,000 years of papermaking.

One-of-a-kind museum inside the first Boeing 747-400 ever made.

A hidden oasis just two minutes from downtown Atlanta.

The largest puppetry museum in the United States houses the world's most complete collection of Jim Henson artifacts.

The world's first time capsule lies behind a welded steel door in Atlanta.

Healing Springs that once ran red with soldiers' blood.

This stone is a marker of one millionaire's personal vendetta against gravity.

Tour the sci-fi-esque reality of governmental disease management.

Just a few miles from downtown Atlanta is a trail covered in a crazy collection of outsider art.

The collection of 80+ pieces created between the years 1100 and 1500 is intended to be seen, heard, smelled, touched, and tasted.

This ancient sinkhole-turned-healing-pool is a treasure trove of archeological discoveries and may even be the Fountain of Youth.

This 2,700-year-old woman is the jewel of the Maidstone Museum's Egyptian collection.

A lion given to the prime minister somehow got stuffed and sent to Florida.

Possibly the world's oldest rug, this Egyptian relic is woven entirely from ancient cat hair and once carried a mummified human foot.

The watery entrance for condemned prisoners heading to the Tower of London is still visible along the Thames.

Ship-sized kinetic sculptural fantasy.

Rebuilt remains of a temple to Roman god Mithras.