This incredible stone temple is a monument to death, victory, and fantasy architecture.

Southern Italy's spinning top village.

A shrine-like museum entirely dedicated to soccer superstar Cristiano Ronaldo.

Men in rubber-soled boots serve as your "brakes" on this toboggan ride Hemingway described as "exhilarating."

These small, triangular, colorful houses are a staple of Madeira Island.

A trail of iron footwear stands as a monument to the thousands executed along this riverbank during WWII.

Hitler's bleak vision of relaxation still stands as a mostly abandoned 10,000-room resort complex.

Ancient Greek oracle of the dead.

The ruins of this monumental city founded by the first Roman Emperor are strangely overlooked by most travelers.

These historic defenses ensured the city within would survive hundreds of years of occupations, sieges, and invasions.

This exclusive resort has completely covered a tiny Balkan island in a 5-star warren of guest rooms.

One of the world's oldest olive trees, thought to be over 2,000 years old.

This arch granting triumphal entrance into Antalya was designed to honor the emperor's visit.

The best-preserved ancient theater in the world.

The first skyscraper to include a Ferris wheel built into the facade.

A literally moving statue of stacked metal giants just continually trying (and failing) to find love.

Tower with a double-helix spiral, adorned with letters of the Georgian alphabet.

This neon lit Georgian cave claims to hold the boulder Prometheus was chained to.

The decaying remains of a once-luxurious Soviet spa town.

The cave holds a spectacular array of stalactites and stalagmites, including one shaped like a giant human heart.

A museum glorifying the life of Stalin, located in the city of his birth.

Ancient rock-hewn town that witnessed key events of Georgian history.

With over 10,000 lights, this engineering marvel lights up the city after dark.

A cluster of historic bathhouses built on the famed hot springs that gave the Georgian capital its name.