This massive underground salt mine now holds a sci-fi theme park in its depths.

A former fisherman's hut deemed too small for habitation is now a delightful tourist draw.

Kings Cross Station pays tribute to its role in Britain's best-selling book series.

360° views of the city plus five floors of optical illusions and hands-on science.

Hundreds of bras, blowing in the wind.

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

New Zealand's epic shrine to all things puzzling.

Highly spherical boulders on the shores of New Zealand.

A perfect turquoise lake colored with glacier dust.

After the devastating 2011 earthquake, historic Christchurch begins to recover, starting with the pop-up Re:START mall.

This sheep farm has been forever transformed since being built for “The Hobbit” film series.

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

These two delightful animal-shaped buildings host a visitor center and wool shop.

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

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

A Buddhist theme park brings you a Buddhist version of Hell.

A sprawling nature preserve harbors the world's only living dragons.

Hindu temple of the dead home to hundreds of long-tailed macaques.

The largest volcanic caldera in Japan holds an entire city in its maw.

The abandoned Japanese amusement park once loomed as a dystopian Disneyland.

Be a ninja - or just act like one.

Experience park where visitors are told to expect the unexpected.

Hanging over one of Japan’s “hidden valleys,” these vine bridges must be remade every three years.

The largest collection of model trains in the world is actually run using full-size locomotive technology.