The most powerful waterfall in all of Europe.

This valley of hot springs and boiling mud pots is home to the record-holding "Geysir," which originated the English word.

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

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

This hobbit-y little hot spring may be the oldest spring used by humans in all of Iceland.

The oldest church in Iceland is one of the few to feature ornate decoration.

This wrecked airplane has been sitting on a black sand beach since the 1970s.

Three columns of volcanic rock shoot out of the ocean.

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

Iceland's largest geothermal mud pool is a little bit haunted and a little bit dangerous.

Strange rock formations tower above the river that snakes through this enchanting Icelandic canyon.

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

The summer tourists on these cliffs are thousands of seabirds.

This fairytale-like structure is the last turf church ever constructed in Iceland.

This eye-popping Icelandic crater lake is surrounded by red volcanic rock.

Berlin's natural history museum houses the world's largest mounted dinosaur and the late beloved polar bear Knut.

What started as a tongue-in-cheek shrine is now a full-blown museum celebrating "The Hoff" and his longtime love affair with Berlin.

Soaring over 6,000 feet in the Bavarian Alps, this beer garden was once Hitler's 50th birthday present.

These medieval skyscrapers dominate the skyline of this small Tuscan town.

This bustling Italian plaza is built on the ruins of an ancient Roman amphitheater.

Art and armour fill every inch of this rich kid's Italian villa.

Six ravens are kept captive (but well-fed) at the Tower of London to prevent the fall of the Crown.

The watery entrance for condemned prisoners heading to the Tower of London is still visible along the Thames.

360° views of the city plus five floors of optical illusions and hands-on science.