This one-of-a-kind archeological site is home to strange prehistoric ruins, the original use of which is still a mystery.

This mysterious Sardinian festival sees a horde of blank-faced equestrians compete for tin stars.

The titular "little arch" near this Italian resort is one of the most popular diving spots in the country.

This elaborate hole in the ground was built as a sacred site for an ancient civilization.

Ancient cave tombs known as the "houses of fairies."

At an estimated 3,800 years old, this olive tree is one of the oldest on earth.

Stalactites and stalagmites in a beautifully lit cave.

A striped 12th-century basilica sits in the countryside of Sardinia.

This weird, elephant-shaped rock also hosts two ancient tombs.

Suspended above the ground in a thicket of towering Georgia trees is a modern architectural wonder.

Constant erosion has created a surreal landscape of bleached and preserved fallen trees.

The perfectly named cave drop is the deepest in the continental United States, almost matching the height of Seattle’s Space Needle.

Ruins of a Carnegie family mansion on Cumberland Island.

The largest cemetery in the American Southeast is a hidden gem near the heart of Atlanta.

Bad farming practices caused this unnatural natural wonder.

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

Georgia's highest point was given its strange name thanks to a simple translation error.

They call this long foot bridge a swinging bridge, but really it's the bouncing you have to watch out for.

This small cemetery is all that remains of Atlanta's first Black communities.

An elegant Georgian cemetery best known for the grave of the little girl whose murder on Christmas Day remains unsolved.

A man's home is his castle.

Incredible miniature towns and buildings created and decorated with thousands of tiny rocks.

Mai Tais and Navy Grog served up in one of the original tiki bars.

The beauty of urban decay, hiding some dark secrets.