Romans decided this 16th-century "talking statue" was so ugly, they named it after a primate.

Hundreds of thousands of concrete bunkers crowd Albania long after the fall of Communism.

This memorial to local World War II heroes is slowly being reclaimed by nature.

This World War I fortress is the perfect place to catch a Montenegrin sunset.

This virtually windowless mass of smooth concrete is the only Catholic church in the city.

This brutalist monument is inscribed with 9921 names of Yugoslav partisans who perished during WWII.

Now harmless, this looming post struck fear into the heart of medieval troublemakers.

A musical instrument played by the sea.

Once the tallest building in the world, this abandoned church is now a monument to the destruction of WWII.

Amsterdam's former hotspot for public executions and dissections.

This historic Amsterdam bar used to accept sailor's monkeys as payment.

Established in 1638 to battle the Black Death, this botanical garden is a treasure trove of rare flora.

Colorful and chaotic stacked hotel in North Holland.

Take a stroll through the hellish grotesques of Hieronymus Bosch in this elaborate Netherlands church.

Perhaps the tiniest sculpture in Saint Petersburg is a little bronze finch inspired by a song.

The "Mystery and Company of Merchant Adventurers" is an Elizabethan-era hangout in Moscow.

Home of the future Emperors of Russia.

World's largest bell sits on the grounds of the Kremlin in Moscow.

Thirteen sculptures in central Moscow graphically depicting vices of the modern world.

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

Stalinist skyscraper built with help of cryotechnology.

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

A 360 degree battlefield experience.

The tallest hotel in Europe.