The history of occult science is turned into a creepshow at this lurid Prague tourist attraction.

Railways may have forged this quintet of lovely tunnels, but now they are open to hikers.

An Aztec temple, the largest man-made pyramid in the world, sits buried in earth with a Spanish church set on top.

A small collection of iguana-infested ruins hides amid Cancún's bustling hotel zone.

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

A trio of hidden hot tubs takes advantage of Iceland's natural geothermal vents.

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

These ominous lava formations were said to be an entrance to the netherworld so of course they inspired a famous metal band.

This elegant arc of a waterfall marks a religious turning point.

Instead of solid circles, the stoplights in this northern Icelandic town have glowing red hearts.

A sulfuric martian landscape that looks far better than it smells.

In Northeastern Iceland lies something of an oxymoron: a steaming desert.

This stunning concert hall has become a symbol of Iceland's national recovery.

Inside this museum, visitors venture through ghost stories entrenched in Icelandic folklore.

This fantastical waterfall is hidden in a cave located in a cracked cliff.

Cairns built to bring travelers good luck stretch across the land like miniature stone mountains.

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

Twisted girders are all that remain of an Icelandic bridge that was wiped out by a combination of volcanic heat and glacial floods.

A giant red chair bolted to a rock on a remote mossy hillside in Iceland.

This modern monument to pagan belief looks like it was transported straight from ancient times.

The most powerful waterfall in all of Europe.

The bright red stripes streaking across the rocks are the star feature at this Icelandic waterfall.

This monument to one of the largest science fiction games of all time bears the names of hundreds of thousands of players.

Inside this Icelandic greenhouse, geothermal energy keeps tomatoes warm and growing.