Handcrafted thermal spa washes away each night with the tide.

The platform atop this verdant volcano was built with the help of a royal elephant.

Taumatawhakatangihangakoauauo tamateaturipukakapikimaungahoronuku pokaiwhenuakitanatahu.

Highly spherical boulders on the shores of New Zealand.

Major tourist destination known for its bubbling mud-pools and hot thermal springs.

A galaxy of glowworms—larvae of a gnat—hides deep in the belly of these caves.

A perfect turquoise lake colored with glacier dust.

This electric green sulphur lake in New Zealand looks like a cartoonish radioactive dump site.

Dolphins, ancient clams and hundreds of waterfalls make this one of the world's top tourist destinations.

Tubing through a cave lit with glowworms is a magical underground experience.

The real life Hobbiton, this sheep farm has been forever transformed since being built for The Hobbit film series.

The last planned Soviet city was built for the former residents of Pripyat after the Chernobyl disaster.

These tombs were built into the side of a mountain so that ancient angels could reach the dead.

This famous city eluded concrete detection until the early 2000's.

This shuttered power plant is now Turkey's first industrial archaeology museum.

This beautiful train graveyard is one of the largest collections of steam locomotives in the Mediterranean and Europe.

Explore the complex ecology of this multifaceted nature preserve by riverboat.

A museum honoring Germany’s cucumber mecca offers a great dill of gherkin history.

The largest catacomb system in the world.

This museum tells the story of lake dwellers from 4000 BC to 850 BC, replete with stilt houses and goats.

The oldest steel ship in Iceland has been beached for years and is now a rusting ruin.

This volcanic cave lake is essentially hard proof that Iceland is the most magical place on Earth.

Iceland's tribute to its thankless civil servants.

Instead of solid circles, the stoplights in this northern Icelandic town have glowing red hearts.