Built hundreds of years ago this downtown iron barrier once protected a much despised king.

Wall Street has a new heroine, a bronze statue of a small but fierce girl.

An uber-secure, windowless tower of doom in the center of Manhattan is an NSA spyscraper.

The very first subway station in New York City is beautiful, decked out in chandeliers, and ... abandoned?

This medieval Estonian tower provides access to a series of tunnels that have been home to soldiers, punks, and fine art.

"There's nothing there," and other lies the KGB told us.

Sweden's "good old days" painstakingly re-created in a model village.

A golden plaque marks the site of the mysterious unsolved assassination of the former Swedish prime minister.

Sweden's oldest animated sign is still lighting up the skyline today.

Now a hotel, this former bank was the site of a robbery that spawned a psychological phenomenon.

This homeless brass fox tugs at your heartstrings from the foot of a Stockholm bridge.

An illuminated manuscript comprising the life's work of a lone monk, inexplicably decorated with a portrait of Satan himself.

It houses the remains of a 17th-century version of the Titanic.

Stockholm's decidedly unique public transit system has doubled as the world's longest art gallery for decades.

The iconic boulevard is the perfect place to catch sight of a bicycling skeleton, a levitating Satan, or a chef with his head stuck in a pizza.

Gaudí's famously flamboyant architectural style is on full display in this sprawling park and garden.

One of Antoni Gaudí's most classic buildings is well-known for its "dragon-back" design.

Construction of Barcelona’s iconic (but controversial) church was finally completed in 2026—a century after the death of its architect.

A museum dedicated to a secret military hospital hidden beneath a castle in Budapest.

A series of caves under Castle Hill that once held the prisoner Vlad Tepes, better known as Count Dracula.

Once the home of a hermetic monk, this cave now houses a small church.

A museum dedicated to the history of a terrifying secret police is now held in their former headquarters.

A slice of central Asia in the middle of Berlin.

A fascinating insight into daily life in the Eastern Bloc.