Around 100,000 bodies are buried below the medieval headstones, many of which mark graves with multiple bodies stacked up to 12 deep.

A surreal statue honoring Prague's favorite literary son.

Steadily reminding Czechia of its past.

This tipsy office building in downtown Prague was originally called “Fred and Ginger.”

Macabre astrological automaton clock dating to the late 1400s.

Increasingly decayed figures stand as a powerful reminder of the human costs of Czech Communism.

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

An enormous and lavish Gothic church in Czechia.

Founded as a refugee camp, now a popular tourist spot.

This ancient Irish tower could easily have stood in for Rapunzel's prison.

The comedy and tragedy of Oscar Wilde is preserved in a Dublin park, captured in a sculpture of colorful stone.

The gorgeous library at Trinity College is home to remarkable treasures of Irish identity.

The 19th-century pharmacy (now a used bookstore) was featured in James Joyce’s "Ulysses," and has changed very little to this day.

A museum marks and documents the site of the Titanic's launch.

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

The most loyal of little dogs, or a Victorian era publicity stunt?

360° views of the city plus five floors of optical illusions and hands-on science.

A sweet symbol marks the place where torturous executions were once carried out.

The forest that inspired Winnie-the-Pooh's Hundred Acre Wood can be found outside London.

A Victorian natural history and ethnographic museum with wonderful turn-of-the-century, science-book-esque evolution displays.

These stark white cliffs were spat up by the sea and are slowly being retaken by it.

England's most notorious suicide spot.

This giant geoglyph of mysterious origins is now the site of neo-pagan rituals.

The elegant structure of this 19th century railroad bridge creates an illusion of infinity.