A 400-year-old mummified arm dangles from the ceiling of St. James the Greater, serving as a warning to thieves.

An eclectic collection of thousands of items owned by the sculptor Frederic Marès.

A former steam-powered mill from the 1800s is now an industrial park with a giant steel dragon slide.

A cemetery in Barcelona's Poblenou district is home to this touching funerary statue, which depicts death in the form of a winged skeleton.

This Funeral Hearse Museum represents the finest in cadaver transportation.

An unusual stroll through gentlemen's erotica demonstrates that pornography is timeless.

This cemetery features modernist statues as strange as its name.

A cheeky architectural easter egg.

This hanging crocodile is thought to be the "dragon" that once plagued a Czech city.

Mummified monks and the accidentally interred, in a 17th-century crypt.

A study of Fascist era Art Deco design in Italy.

Behind medieval walls in a corner of bustling Palermo is a breathtaking former mosque once inhabited by a wolf-taming hermit.

Gaudí's famously flamboyant architectural style is on full display in this sprawling park and garden.

The world's most important buildings shrunk to a tiny size.

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

A gift from Emperor Franz Joseph I to his wife.

The former private quarters and office of Dr. Sigmund Freud now hosts a museum housing the works of the founding father of psychoanalysis.

This abandoned Slovenian military barracks has become a punky-political art squat.

Resting in the middle of an Austrian river, this sci-fi "island" lets people cross in neon style.

This historic Amsterdam bar used to accept sailor's monkeys as payment.

The first modernist church in Europe.

An ornate private entrance to the Vienna subway built specifically for the emperor.

The topiary maze at the Habsburg hunting lodge.

Macabre museum devoted to historical Viennese murders.