A beer pipeline runs beneath Bruges.

This war memorial holds the remains of around 20,000 World War I soldiers from both sides of the conflict.

This statue celebrating everyday life in Dublin has a few unsavory nicknames.

The first botanical garden, a feather in the cap of the Grand Duke of Tuscany.

Many people don't realize there’s a lot going on in—and below—the world’s tallest triumphal arch.

Once home to one of the oldest banks in the world, this building is also where Marco Polo's famous travelogue was written.

This small church was constructed over the ruins of three temples dating to the Roman Republic.

This multicolored meandering masterpiece is Britain's longest bench.

Macbeth's infamous "Great Birnam Wood."

This unique architectural wonder is also tied to one of the 20th-century's most renowned writers.

This building served as the first customs house in modern Greece.

One hundred years ago this small house in downtown Zürich became the birthplace of the Dada movement.

A rare example of a medieval house in Rome adorned with a melancholic inscription.

This museum is dedicated to the most famous Irish writers in history.

An ancient Egyptian obelisk is now used to commemorate fallen Italian soldiers.

This church is dedicated to the patron saint of seafarers.

This building was once the most magnificent mansion in Nafplio.

This ruined travelers shelter sits abandoned in a desolate bog of Flow Country.

A monumental fountain in Rome features a large statue of Moses that has been criticized for centuries.

This ancient market is often referred to as the oldest shopping mall in the world.

This mountain trail inspired Nietzsche to complete his magnum opus.

Artistic tombs, monuments, and a beautiful "Hall of Fame" lurk inside this cemetery.

This ornate Weser Renaissance house was also the home of an infamous witch hunter.

An ancient Roman temple first dedicated to an emperor's wife is now a church.