Once a beautiful palace, this structure is now known as the ''museum of destruction."

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

This centuries-old wooden wonder was built in less than a year and is one of Europe's largest timber-framed churches.

The patron of this extravagant Art Nouveau confection insisted that nothing less than a boat should project from its facade.

This former guildhall with a bacon-like exterior is now home to a museum covering 600 years of Antwerp's musical history.

The ruins of this Dutch castle sit atop a labyrinth of once-secret tunnels and passageways, dating back over 900 years.

Modern art commemorates one of the first military actions of World War II.

These rare statues are one of the few remaining material witnesses to Old Prussian culture.

A mysterious emblem tucked in an small alleyway is actually the coat of arms of a heroic medieval family.

A floundering Polish shipyard was once the soul of the Solidarity movement that capsized communism.

A huge wooden clock that is so beautiful its creator was forcibly blinded.

The site of the first battle of World War II.

An amusement park on the grounds of an unused nuclear power plant, with a swing ride inside the cooling tower.

This unique Renaissance castle was turned into a home for Nazi occultism.

The townhouse where the "Blood Countess" Elizabeth Báthory started her murderous career.

This cheeky restaurant has a serious devotion to lard sculptures.

At this archaeological site, visitors can explore the ruins of the capital of the former Roman province of Moesia.

The first European statue dedicated to the legendary musician.

In the days before house numbers, these colorful signs held clues about various buildings' purposes.

Boats must transform into railroad cars to navigate this Polish canal.

The traditional Polish croissant, folded 81 times into the shape of a horseshoe, is a legally protected cultural treat.

This 700-year-old structure is one of the most unique architectural and historic monuments in Gdańsk.

A fairytale Gothic castle steeped in Nazi treasure conspiracy theories.

A program of Communist glamour in post-Stalin Poland is preserved in this colorful museum.