Whisper secrets in a busy station only to be heard on the other side of this acoustic arch.

Abandoned since 1998, this train station has become an oasis for urban explorers.

Descend into the tunnels to experience the life of a coal miner.

Theme park featuring miniature replicas of European monuments.

This ghost town in Belgium will lose its street art when it ceases to exist.

A dramatic art installation features a BMW flying out of a building in Rotterdam.

Built by crowdsourcing, this wooden foot bridge saved a part of Rotterdam that was languishing in wait of city funding.

These slanted cubic abodes are a creative if odd solution to a zoning pickle.

An architectural oddity hides in plain sight on this iconic London bridge.

A little sculpture with a large wardrobe.

Meet the bronze beloved pet to a family of famous peeing statues.

Brussels' favorite peeing boy has a sister.

Cozy basement bar sports an inventory of over 2,000 beers.

The Devil’s own choice when he needs a drink in Brussels.

Remains of Roman amphitheater hidden in a sleepy quarter of Paris.

The only remaining collection of flayed figures made by French "madman" Honoré Fragonard.

Fantastic views and thousands of love locks.

Twisted buildings adorn the banks of the Rhine river.

Thousands of tourists and residents in Cologne affix "love padlocks" on the Hohenzollernbrücke Bridge to symbolize their affections.

Fortune tellers, snake charmers, poets, and storytellers all gather on this historic square in Morocco.

It took 40 years to build this Eden-like garden in Marrakech, later restored by Yves Saint-Laurent.

Paris' fabled purveyor of exotic taxidermy and natural history curios.

An "inside out" building in the historical center of Paris, featuring Europe’s largest modern art museum.

The vast, legendary catacombs hold secrets much stranger than stacked bones.