Some of the clearest water anywhere in the world.

A perfect turquoise lake colored with glacier dust.

A solitary tree has grown up all alone on Lake Wānaka, backdropped by the beautiful Southern Alps.

The Dalai Lama named this New Zealand landscape the "Spiritual Center of the Universe."

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.

A monument to the small town of master violin makers and its countless luthiers.

Dedicated to the unsung history of human waste.

Underneath the city that invented pilsners are a series of historic tunnels that have been storing beer for centuries.

The deepest sinkhole in Central Europe comes with a grisly tale and an unusual nickname: “The Stepmother Abyss.”

This network of conjoined cellars was riddled with traps and supposedly allowed the townspeople to pretend their homes were deserted.

A spiral staircase twists to the top of this unusual Czech lookout tower.

This former quarry is now a picturesque gorge that hides a sunken lake.

This automated sculpture of two men peeing will spell out text messages with their micturition.

The world's greatest slide descends 18 stories from this looping mountaintop viewing platform.

Buried five stories underground, this Soviet bunker is packed with gas masks and Cold War paraphernalia.

Bohemian paradise covered in majestic forests.

Despite attempts by local police to discourage it, Beatles-inspired graffiti has been a means for artists to air grievances for decades.

Europe's largest natural bridge has a 19th century royal chateau built into its side.

Two monstrous faces loom over a village in Czechia.

The hidden lair of an alchemist rediscovered in a 2002 flood.

Macabre astrological automaton clock dating to the late 1400s.

The history of occult science is turned into a creepshow at this lurid Prague tourist attraction.