A desert island with both a buried treasure and a famous castaway.

Once home to over 8,000 exiled Hawaiians suffering from Hansen's Disease.

Réunion Island's highest point is a 2 million-year-old volcano and a paraglider's paradise.

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

A blooming house of worship for the masses.

This experimental utopian "city of the future" in rural India may hold a dark secret.

A single tree's 2,800 aerial roots give the appearance of a complete forest.

Open-air museum with an elaborate sculpture garden, stretching for over 70,000 square-meters.

Japanese national treasure originally built in 593 CE.

This spa theme park lets its guests take a dip in pools of coffee, wine, or ramen broth.

The 10,000 Torii shrine.

Hot springs monkey spa in the middle of Hell's Valley.

An exquisite tunnel of cascading flowers.

On Japan's Tashirojima Island, cats are king.

A hidden tunnel of bones in one of Malta's oldest churches.

Burial grounds for more than 1,000 bodies deep under the modern town of Rabat.

Considered the most remote point in the entire world.

Southern Ocean waters and glacial forces transform the Antarctic ice into these stunning bridges and caves.

Naked scientists race around the pole in the frigid cold to try to join Antarctica's exclusive 300 Club.

Antarctica's bustling metropolis, originally established by Richard E. Byrd.

The best place to send your postcards home from Antarctica.

The world's largest neutrino telescope searches for secrets of the universe at the South Pole.

One of the world's southernmost bars.

Fire meets ice at the southernmost volcano on Earth.