A whimsical bridge adorned with decorative dragons.

The Polish capital has had a deep connection to its guardian mermaid for almost a millennium now.

The prototype for all Nazi concentration camps.

Eighty million natural history specimens call this gargantuan museum home.

A hands-off space for graffiti artists to hone and display their skills.

One part local history, 99 parts gruesome haunted house.

Banksy gives themself artistic license with this piece of London street art.

Kings Cross Station pays tribute to its role in Britain's best-selling book series.

Rare documents, old instruments, and gruesome specimens showcase the history of military medicine.

A surreal pile of colorful junk fills a small yard in an otherwise gray neighborhood.

Dark, eerie exhibits make for a surreal exploration of the subconscious.

The past, present, and future of Russia's signature alcohol is remembered in the world's only museum dedicated to the starchy spirit.

A 250-year-old timepiece-automaton adorned with golden mechanical birds, which still sing to this day.

The oldest museum in Russia is home to a fascinating collection of nearly two million anthropological artifacts and anatomical curiosities.

Some Moscow residents once claimed the bizarre, contorted mass of metal on top of the building was used to manipulate minds.

One of the world's tallest statues is also one of its most hated.

This newly renovated Soviet-era outdoor exhibition center is bigger than the principality of Monaco.

Hidden in a metro shop under a shopping mall, this small museum tells the story of one of the world's largest urban transit systems.

Moscow's imposing monument to the Space Age.

Former headquarters of the KGB.

A sculpture park of the tossed aside relics of the USSR, from Stalin to a massive Soviet emblem.

Its front wall is striped with a menagerie of fantastic beasts and magnificent monsters.

Immortal combat in a Moscow museum.

The gorgeous entrances into the city's underbelly look more like grand halls than subway stops.