Hundreds of lucky felines haunt the ruins where Caesar was murdered.

A 16th-century horror show built in a lovely Italian garden.

Skulls from the plague of 1656 and World War II bombings are united by a cult dedicated to caring for the ancient dead.

Europe's second largest ossuary wasn't discovered until 2001.

A museum of alchemy and a basement laboratory all housed in an ancient building in a Gothic tower.

A church of bones, decorated with 40,000 human skeletons.

A collection of anatomical samples from one of the first anthropologists to suggest that humans reached North America by crossing the Bering Strait.

The history of occult science is turned into a creepshow at this lurid Prague tourist attraction.

The slender brass strip in Prague's Old Town Square was used to tell time from 1652 to 1918.

This bar and museum are devoted to the controversial comic book work of Kája Saudek.

This spooky statue sits outside a famous Prague theater.

This automated sculpture of two men peeing will spell out text messages with their micturition.

A mocking tribute to the past and modern leadership of Prague.

A steampunk-styled three-floor factory churning out art, activism, and electronic beats.

The hidden lair of an alchemist rediscovered in a 2002 flood.

Two stunning 17th-century libraries and a cabinet of curiosities.

Macabre astrological automaton clock dating to the late 1400s.

Near this allegedly haunted pub, you can find strong spirits on the rocks.

This king penguin is a knighted brigadier of the Norwegian Army.

A pair of stones embedded in an Edinburgh street memorialize one of the city's last public hangings.

One of the oldest scientific gardens in Britain, containing more than 13,302 plant species in its core collection.

This 16th-century house tells the city's history through old artifacts and quirky tales.

Summer in Scotland begins with a spectacularly wild and colorful event rooted in ancient pagan traditions.

An artistic interpretation of the history of a Scottish park, combining poetry with anthropomorphic animals.