Possibly the oldest of Britain's ancient henges is also one of its most stark.

Thanks to both terrific preservation and historic vandalism this ancient site is known as the "Heart of Neolithic Orkney."

Among the ostentatious rococo ornamentation of this church, an image of death cuts the life-thread.

The footprint of a frustrated devil in Munich's Cathedral.

Daily jousts and dancing barrel makers in Munich's mechanical clock.

A serious museum dedicated to two German comedians.

An eerie, derelict amusement park in Berlin.

The oldest trees in Northern Germany.

The narrowest street in the world is in danger of closing up entirely.

In this brilliant blue spring in Germany, legend has it that a sad mermaid learned to finally laugh.

A historic steam train meanders along one of the most scenic rail routes in Germany's Black Forest.

A Black Forest cuckoo clock theme park features one timepiece big enough to walk inside.

On the coast of Sardinia, a once-great mining village is finding new life as a coastal resort town.

An eerie gravel road full of shards of red bricks leads to the ruins of a deserted factory.

Stalactites and stalagmites in a beautifully lit cave.

A striped 12th-century basilica sits in the countryside of Sardinia.

This weird, elephant-shaped rock also hosts two ancient tombs.

At an estimated 3,800 years old, this olive tree is one of the oldest on earth.

Mysterious tombstones thought to be remnants of Atlantis.

This one-of-a-kind archeological site is home to strange prehistoric ruins, the original use of which is still a mystery.

This elaborate hole in the ground was built as a sacred site for an ancient civilization.

A strange rock with a sinister reputation lurks within the crimson waters of this Scottish glen.

A single oak tree rises out of the waters of Loch Lomond.