A larger-than-life statue of the German revolutionist stands proud in a small town where he never lived.

Ruins of a German Castle on top of a towering stone pillar.

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

Created as a "model concentration camp" to hide Nazi atrocities from the international community, this former camp-ghetto now holds a museum and memorial honoring the lives lost within.

Czech architects borrow from the nest design of the stork to revitalize a farmstead, hoping to inspire the same loyalty the birds had shown.

The sanctuary holds what was once believed to be the saint's incorruptible tongue.

Electrical curiosity museum housed in an old transformer station.

This renaissance château was home to an infamous witch hunter who sent a hundred suspected witches to their deaths.

This antique thermometer honors the creator of the first universal temperature scale.

A former milk-delivery driver and his wife turn their home into a glimmering mosaic.

The largest crypt ever constructed in France was built in the 11th century on an ancient Druid sacred site.

Ancient paintings known as the "Sistine Chapel of Cave Art."

A Scottish manor with a history of mysterious fires, magic, and eccentric tales

An 18th-century lighthouse built on a 16th-century castle is now a monument to the maritime beacons of Scotland.

A beachside cave filled with Bronze Age metalwork, pottery, and human remains.

This modern labyrinth lies in the shadow of a ruined medieval castle.

Believed to be the birthplace of John Balliol.

Historic medieval fortified city in southwest France.

The world's most famous cheese caves.

The world's tallest bridge is also possibly the most elegant.

Be(w)ar(e) the moat around this historic Czech castle.

The historic tower houses of this nearly abandoned Greek town have been compared to the spikes on an iguana's back.

A cave network located at the southernmost tip of mainland Greece was once believed to be an entrance to Hades.

The fairy tale castle of the "fairy-tale king."