Once thought to be the Garden of Eden it holds a holy footprint claimed to belong to Adam, Buddha and Shiva.

The name of the only golden Buddhist temple in Korea translates as "the temple that protects the country."

A unique structure located on the grounds of one of five grand palaces that were built by the Joseon dynasty.

Home to more than 13,000 pieces of war memorabilia and military equipment.

Environmentally crucial raptors like eagles and vultures are kept and protected in this massive sanctuary.

Apparently, Hell has waterfalls in Slovenia.

The "dragon babies" of southeastern Europe.

The walls of this medieval church are covered with perfectly preserved frescos, including a pristine example of the Dance of Death.

A whimsical bridge adorned with decorative dragons.

This abandoned Slovenian military barracks has become a punky-political art squat.

A miniature train-ride through Slovenia's largest cave system.

This one-time health resort was used by aristocrats around the world.

This massive subterranean fissure is known as the "underground Grand Canyon."

Castle and secret tunnel withstood a siege until its owner was killed by the Holy Roman Empire, while sitting on the toilet.

A schooner, nicknamed "The Unsinkable," with a long history of survival in the Indian Ocean.

In the middle of a busy residential neighborhood, a small roofless church being reclaimed by nature.

A newspaper editor turned this abandoned island into a tortoise nature preserve that's now the world's smallest national park.

One of the oldest restaurants in the Seychelles.

After this medieval Serbian fresco was hidden for centuries, an image of it became one of the first to be sent into space.

These natural stone bridges are the largest on the European continent.

A Red Cross memorial museum at the site of the Niš concentration camp that operated for four eventful years during World War II.

For over 40 years, this quaint little house has teetered on a rock in the middle of a river.

Structure built from the skulls of vanquished foes.

Within the Saudi Arabian desert lies a 2,000-year-old ghost town made of stone and mud.