A statue honors the children who fought Nazis in Poland.

A menacing statue of this mythical creature can be seen at the legendary site of the monster's lair.

A tribute to the Polish insurgents who fought in the failed attempt to end their city's Nazi occupation.

The world’s narrowest house makes for an awkward, four-foot-wide living space.

After the famous composer died in Paris, his sister snuck his heart out of the country to honor his wish that it be buried in their native country.

A merchant court dedicated to the fictitious King Arthur is heavily adorned with bizarre Renaissance art.

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.

This antique thermometer honors the creator of the first universal temperature scale.

Memorial to the lost dead of Gdansk, whose resting places were destroyed during World War II.

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

The site of the first battle of World War II.

In the center of Wrocław's old meat market stands a somber tribute to the city's livestock.

A striking public sculpture representing the period of martial law in Communist Poland.

The silly symbol for an underground protest group is now scattered around the city.

These mechanical goats first battled it out in the year 1551, all because of an overcooked deer.

This otherwise ordinary close on the Royal Mile constituted the end of the world for Edinburgh’s poorest residents.

The medieval castle built as headquarters for the Pope's secretive Knights Templar.

The corpse bride of Portugal.

One of the largest Roman settlements in Portugal.

The first botanical garden, a feather in the cap of the Grand Duke of Tuscany.

This popular pilgrimage site offers a hole filled with holy healing dirt.