This rugged area of red rocks and arches is often considered one of the most beautiful places on Earth.

This volcanic cave lake is essentially hard proof that Iceland is the most magical place on Earth.

Here, at the "world's longest art gallery," you'll find forty miles of ancient petroglyphs and pictographs.

A mysterious monument meant to be a guide into "an Age of Reason" was destroyed after an apparent bombing.

A slice of central Asia in the middle of Berlin.

The second-largest cave chamber in the world was discovered in 1898 by a 16-year-old and a friend known as "Pothead."

A castle built by an eccentric medieval enthusiast in suburban Ohio.

Seemingly grown on some other world, these New Mexico rock formations look like a disused science fiction set.

Bioluminescent firefly squid light up this Japanese fishing port.

Ruined 11th century abbey built by King David I in Edinburgh, Scotland.

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

These tombs were built into the side of a mountain so that ancient angels could reach the dead.

A miniature rainforest is growing inside of a Midtown Manhattan office building.

A magically clear, blue river that seems to spring from nowhere.

The middle finger of modernity.

A fantastic castle rumored to be the birthplace of King Arthur.

The trials and tribulations of marking Poe's grave.

Each spring, a dreamlike carpet of bluebells overtakes the forest floor.

This dramatic sea spire is home to the world's rarest insect and is part of the lost continent of Zealandia.

These fantastically named natural pools look like something out of a Scottish myth.

Renaissance villa and gardens complete with a tormented colossus.

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

These old stone ruins in the Oregon wilderness were once bathrooms and are steeped in legends of murder.

In paradise, feral pigs have claimed an island all to themselves.