Perfectly preserved ancient monastery in an impossibly dramatic location on a rocky island in the Atlantic.

The world is full of swimming holes, but few compare to Samoa’s idyllic To Sua ocean trench.

The ruins of an ancient island city built atop a coral reef in the South Pacific are spectacular and strange enough to have inspired H.P. Lovecraft.

Hide from the tourist hordes in these relatively unknown, and unguarded lava caves.

These ancient sacred grounds granted amnesty to those who managed to reach them.

The island of Lanai in Hawai'i is a paradise for cats and cat lovers.

The only royal palace on U.S. soil has been a territorial capitol, a military headquarters, and a prison for a queen.

This narrow coastline trail through the dense Kauai wilderness is among the most beautiful and dangerous in the world.

Site of the largest impact event to occur over land in Earth's recorded history.

Five mile wide circular ring of rock in the Russian Far East is a curious geological oddity.

Siberian whale bones stand as cairns marking location of an ancient butcher yard.

This remote lake in Siberia supposedly contains a fearsome sea monster.

Buddha shrines hide within dark tunnels at this unique forest temple.

A mysterious, hidden cluster of Buddha sculptures carved into the rocks.

Monkeys lounge around at this 13th century temple.

A battle between nature and architecture in the Cambodian jungle.

This faux-seedy Japanese arcade is made up to look like a maze of alleys straight out of a cyberpunk dystopia.

The self-mummified monks of Japan.

The oldest hotel in the world has been operated by the same family for over 1,300 years, even catering to samurai.

The Yonaguni Monument, a natural formation or the Japanese Atlantis?

Ruins and statues dot the landscape of this tiny island rich with royal history.

One of the world's largest tanks mimics the experience of watching rare whale sharks, giant rays, and deep sea creatures from the ocean floor.

As the aging humans of this Japanese village die off one local artisan is replacing them with eerie homonculi.

Hanging over one of Japan's "hidden valleys," these vine bridges must be remade every three years.