A crumbling hospital from the 1850s on Roosevelt Island.

The neon signs from Las Vegas' past find their final resting place at this unusual graveyard.

The unique waterfall in Iceland's south features a backdrop of geometric black lava columns.

Medicinal spa created with the discharge from a geothermal energy plant.

In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.

A spherical "micro-nation" in the heart of Vienna.

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

If a glacial river suddenly diving into a sheer chasm via a dramatic, multi-stage waterfall isn't peak Iceland, it's certainly close.

Roman ruins top white travertine terraces formed by ancient hot springs.

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

A battle between nature and architecture in the Cambodian jungle.

In this truly magical place, rent hasn't been raised since the year 1520.

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

A Very Low Frequency transmitter you can tune in on your PC.

This declassified Cold War bunker hosts a large collection of Swedish aircraft.

A Gothic-inspired fish market is Gothenburg's best place to find loaves and fishes.

One of the world's few mounted blue whales, its jaws are hinged open allowing visitors to descend into a lounge.

There are no crying babies in this neck of the woods.

The charming storybook building now houses a small police museum.