One of only two civilian settlements in the desolate lands of chilly Antarctica.

Remote, volcanic island that Darwin, Hooker, and the Royal Navy shaped into a thriving, artificial ecosystem.

Elaborate mansions built by Roma residents in Soroca to show their success after centuries of discrimination.

The largest wine cellar in the world is a 150-mile network of underground caves near the capital of Moldova.

There is a mouldering Jewish cemetery hidden away in the capital of Moldova.

A palatial sculpture park was built illegally and in secret by a self-taught artist over 36 years.

This Himalayan airport provides one of the most difficult landings in the world.

The small cliffside monastery known as the Tiger's Nest is said to be the meditation site of an 8th-century Buddhist master.

Final palace complex of the last of 29 Kokand rulers.

The Avenue of Mausolea is a series of grand palatial tombs.

This "tower of death" has acted as an observatory, a religious hub, and an executioner's lair.

The twin towers in this Chicago fountain use 50 foot tall video screens to spit on people.

The last remaining relic of San Francisco's glittering 1915 Panama Pacific Exposition.

At 207 feet, one of the world's longest continuous escalators.

This historic address is home to the beloved ball and is an almost totally empty building among the most expensive real estate in the world.

Elevated freight railway turned wildly successful urban park.

Famously misunderstood wonder of the ancient world

A giant Troll lurks under one of Seattle's oldest bridges.

Construction of Barcelona’s iconic (but controversial) church was finally completed in 2026—a century after the death of its architect.

The celebrated eyesore created by starry-eyed sweethearts.

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

The site of the climactic scene from the classic horror film is now a historic landmark.

An immersive environment that is part haunted house, part choose-your-own-adventure, and part jungle gym.

Under the right circumstances, this waterfall in Yosemite briefly turns a luminescent fiery orange.