After local authorities changed the design, the building's architect, Le Corbusier, wanted nothing to do with it.

A statue dedicated to the antihero of the Nibelung legend.

The oldest Jewish cemetery in Europe survived Hitler's Germany.

The spiral staircase hidden inside this giant Parisian column was likely built for Catherine de Medici's astrologer.

Noirish green neon marks the location of one of the oldest private detective agencies in France.

Executions were once held near this beautiful 18th-century fountain.

Notorious artist squat renovated into legal studios.

A Parisian exterminator's shop whose storefront displays stuffed rats hanging from traps.

A 16th-century fountain marks the site of a lost medieval cemetery once filled with mass graves.

One of Jeff Koons’s largest sculptures and his first commemorative work.

This bridge was constructed from the rubble of the infamous Bastille.

One of the word's deepest gorges is also tied to a fantastic legend.

270 million year-old forest of stone.

A bright turquoise river cascades beautifully down stepped terraces in southern China.

Explore this massive series of 45 caves and over 51,000 sculptures carved from cliffsides in China.

A non-stop elevator ride in Vienna's city hall.

These relics of the city's past now exist as a prominent modern feature.

An exquisite Baroque church in Vienna's old town.

The solemn exterior conceals an opulent interior of this 17th century church.

A silly medieval mural preserved on the side of a Viennese house.

On a winding Vienna side street, one museum has turned their windows into a monument to history’s peace-minded heroes.

Legends surround an ancient tree trunk riddled with nails for good luck.

In the middle of a Vienna square, Roman ruins dating back some 2,000 years are on display.

A mechanical clock built in 1914, with a rotation of 12 historical figures on its face.