These towering spires and glowing walls are carefully crafted from hundreds of thousands of icicles.

A former top secret military tunnel is now stuffed with snow and open year-round to skiers.

Gravity seems to fail at this intriguing Swedish attraction.

This tiny Swedish troll protects the land and all who wander within it.

Relics of Australia's convict past, and a modern scene of unimaginable horror.

Aqua white sand highlighted with fiery red rocks.

Granite rocks that concentrate waves into powerful jets.

One of the best beaches in the entire world.

One of the only places where Earth’s mantle lies above water.

Handcrafted thermal spa washes away each night with the tide.

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.

New Zealand's oldest prison holds a dark history and the scars of a deadly earthquake.

Known for the tunnel that leads visitors to the water.

This preserved village shows the modest lifestyles of the area's 19th-century Chinese gold miners.

Running since 1864, this clock has yet to be wound, one of the longest-running science experiments known.

One of New Zealand’s few castles boasts beautiful gardens, grand architecture, and a history filled with family drama.

Highly spherical boulders on the shores of New Zealand.

The premier place to experience the Victorian imagining of the steam-powered future.

This modern New Zealand attraction honors ancient forms of astronomy and scientific understanding.

Only 68 people per day are allowed to visit this New Zealand bird-watcher’s paradise.

These phallic stone spires once served as Tolkien's Paths of the Dead.

Inside this faux cave, visitors can learn how some of their favorite fantasy characters were created.

New Zealand's only running funicular railway.