Transport yourself to the 1980s era of video games at this themed restaurant and bar.

This small museum in a 17th-century building honors three iconic Scottish writers.

The most remote tree in the world is more than 170 miles from its nearest neighbor.

This stone tower in a small town's graveyard looks as though it would be more at home in a fairy tale.

This colossal ancient jaguar sculpture was used as a vessel for the hearts torn from sacrificial victims.

Dubbed "Wistom" by locals, this abandoned factory is an urban explorer's dream.

It appears as if a man is standing behind this giant airport clock, painting the hands in real time.

Once the world's biggest telescope, it was later used as a coat hanger by a famous Dutch astronomer.

A nuclear reactor created for Eisenhower's "Atoms for Peace" campaign is now used for research at a Dutch university.

The world's largest private telescope collection hides in a secret wing of a Dutch auto museum.

A late-medieval Dutch castle with trick fountains in its whimsical water gardens.

Built to test magnetically levitated elevators, the tower also boasts Germany's highest visitor platform.

The ruined remains of a coal mining ghost town are hidden within the woods.

The bizarre headgear looks like it was made for a fool, not a king.

A monument to the thrice mayor of London who according to lore made his fortune by selling his rat-chasing cat.

One of the great math minds of the 17th century is underfoot in this 900 year old Dutch church.

A massive explosion that leveled hundreds of buildings in the city of Leiden is remembered by a waterside plaque.

Once housed in the towers of this Gothic church, this 17th century clock still ticks today.

The remains of a medieval wall discovered in the basement of a jewelry store.

One of the oldest masonic temples in the Netherlands, built in 1757.

The works of poetry's biggest names grace the walls of the city of Leiden, all carefully painted by hand.

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

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

Devious political maneuvering and four ancient, working telescopes are central to the world's second-oldest observatory.