The most powerful waterfall in all of Europe.

Learn about Iceland's hidden folk at this school dedicated to the study of elves.

Iceland's largest lagoon is home to stunning multi-colored icebergs.

One of the tallest buildings in Iceland, and perhaps, the most visually impressive.

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

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

Staves, storm-calling, and of course, necropants.

Rising from the sea like a stone monster.

Once a place of peaceful repose, this sanitarium now faces an uncertain future.

These mouldering mansion ruins remember a time when the Catskills were nothing but luxury.

A castle built for love, and abandoned due to heartbreak.

This mouldering abandoned mental hospital was once a center for progressive healing.

Home on the Hillside, and home of the first breakfast cereal.

The remnants of two World's Fairs are here, complete with a 12-story globe, a mini-Manhattan, and a UFO-shaped pavilion.

An abandoned castle owned and ignored by Masons carries a cursed history.

An abandoned stretch of highway, deteriorating next to the operational one.

A toxic ghost town sitting atop a massive coal fire.

Ruins of a historic medical facility sits eerily by the water.

Underground tunnels remain beneath this abandoned mental asylum.

Naturally formed white marble arch housed in an abandoned marble quarry from the 1800s.

The remains of an abandoned dinosaur theme park litter the woods just off the highway.

A mysterious collection of stones stand outside a small New England town.

Run by a eugenics advocate, this aging institution conducted secret radiation experiments sponsored by Quaker Oats.

The inspiration for H.P. Lovecraft's horror stories and Batman's Arkham Asylum is now a condominium complex.