This giant middle finger statue sends an unambiguous message to Italy's bankers.

This historic covered bridge contains a series of macabre paintings that communicate one thing: everyone dies.

This memorial commemorating fallen Swiss Guards of the French Revolution has been called the saddest stone in the world.

London's creepiest cemetery was once the site of dueling magicians and mobs of stake-carrying vampire hunters.

The Rozenberg wind wall in South Holland makes for smooth sailing through the Calandbrug canal.

The largest bell in the world has been swinging high above a Cologne cathedral for almost a century.

A church filled with the bones of hundreds of virgins martyrs—or so they say.

A striking memorial to the Jews of Leiden who were murdered during World War II is scattered throughout the city.

Cat art as far as the eye can see.

This historic Dutch newspaper building is covered with media-themed details—and one unrelated oddity.

These slanted cubic abodes are a creative if odd solution to a zoning pickle.

Pop culture has helped to keep this iconic British building from being destroyed.

This century-old street sign is a forgotten remnant of the old city.

This singular Mexican structure is considered a masterpiece of the Tapatía architectural school.

This structure was moved nearly 40 feet while people continued working inside it.

A Lovecraftian altar of nightmarish bronze chairs sits ominously on a boardwalk in Puerto Vallarta.

A memorial to a dog that inspired rioting in the streets of London.

A little slice of Japan and its aesthetics in London's Holland Park.

This 11th-century castle sits so low you can't see it behind the surrounding buildings.

An unassuming rod in the Netherlands was once the old standard unit of length for the entire Dutch empire.

Science meets wall art to highlight the beauty of famous mathematical equations.

Amsterdam's former hotspot for public executions and dissections.

The ruins of New Zealand's largest classical-style church.

Pablo Neruda's custom-built lover's nest was made to remind him of the sea and named after his mistress' hair.