The Belgian library displays burned books that were salvaged from the fires of both world wars.

This whimsical statue dumps water on its head to symbolize knowledge flowing into his brain. Or maybe booze.

Christ's blood preserved in a Belgian town.

A trio of red, white, and blue stones embedded in the streets of Leiden are markers of medieval territory and law.

Thirty creepy ghosts now inhabit this decaying 14th-century church.

The Citrus Variety Collection at UC Riverside contains two trees of each of the 1,000+ varieties of citrus.

A beer pipeline runs beneath Bruges.

A Sri Lankan tea factory's ironic take on the Los Angeles landmark.

What was once a bustling mining installation is now a bustling hub of contemporary art.

This former quarry is now a picturesque gorge that hides a sunken lake.

Macabre astrological automaton clock dating to the late 1400s.

Walk through Czech history in Prague's largest graveyard.

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

An enormous and lavish Gothic church in Czechia.

Ninety feet off the valley floor is an ancient dwelling put under protection of the U.S. government by Teddy Roosevelt.

A unique museum tells the story of the day-to-day life of World War I soldiers.

A 'living museum' in Leiden, the oldest of its kind in the Netherlands.

The largest 19th century panorama in the world still in-situ.

An undulating wicker beast looms peacefully atop a sand dune in Belgium.

Two gravestones clasp hands over the religious divide.

Inspired by "The Starry Night" this Dutch bike path turns into a glowing work of art each night.

This historical Netherlands fortress still bears the marks of its single siege.

Sculpture designed by Turkish artist and professor Mehmet Ali Uysal.

A giant bug impaled on a 75-foot-tall needle.