This abandoned coliseum was intended to be a grand Nazi rallying ground before it was halted at the end of the war.

Every hour the doors open to reenact the legend of the heroic mayor who saved his town by drinking a gallon of wine.

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

This oceanside Reykjavik spot is speckled with recycled sculptures and large stones.

Puffin enthusiasts flock to Europe's largest seabird cliff, which over one million birds call home.

The oldest steel ship in Iceland has been beached for years and is now a rusting ruin.

A formerly glacier-tipped volcano that inspired none other than Jules Verne.

Travel deep inside of Europe's second largest glacier in the world's largest man-made ice cave.

Surrounded by ash fields in Iceland, an impossibly verdant valley looks like something out of a fairytale.

This tiny museum's sizable collection is jammed into a former underground public toilet.

The largest whale museum in Europe allows visitors to walk among life-size giants.

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

Every summer local children form "pysja patrols" to save young birds that have wandered from their nests.

A little-visited waterfall in an otherworldly landscape.

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

Rising from the sea like a stone monster.

An abandoned outdoor movie theater in the Sinai desert.

An ancient city exhumed from the depths of the ocean.

Europe's largest natural bridge has a 19th century royal chateau built into its side.

This fortress was designed to prevent a Nazi invasion but was never used.

The largest manmade caves in Europe now function as a motorbike club's headquarters.

A three-shelf library serves as a memorial in the Jewish cemetery of Krems.

Artfully arranged bones of 5,800 Austrians.

A 19th century artistocrat's mansion, turned into a library, hidden in a modern library.