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.

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

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

This Communist-era residential block is one of the longest residential building in Europe.

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

If a glacial river suddenly diving into a sheer chasm via a dramatic, multi-stage waterfall isn't peak Iceland, it's certainly close.

The Hveragerði fissure runs through this unassuming shopping center.

This stunning concert hall has become a symbol of Iceland's national recovery.

One of the tallest buildings in Iceland, and perhaps, the most visually impressive.

Icelandic folklore says this giant boulder was ripped from the mountains and placed at its current location, where it became home to elves.

Strange rock formations tower above the river that snakes through this enchanting Icelandic canyon.

A World War II torpedo launch station abandoned off the Polish coast.

Special benches that play Chopin's music are scattered throughout his native city.

An open-air museum of 18th-century homes and churches transported from various villages in Southern Poland.

With over 10,000 lights, this engineering marvel lights up the city after dark.

The first skyscraper to include a Ferris wheel built into the facade.

This spectacular mosque houses the second-largest chandelier in the world.

Morocco’s modern capital was once a haven for Barbary pirates, who went so far as to establish a republic of their own.

The oldest known university in the world is in Fez, Morocco.

Traditional 11th-century outdoor tannery.

The other side is actually green.

Thousands of narrow alleyways in an ancient medieval city make up what's believed to be the world's largest car-free urban zone.

Fortune tellers, snake charmers, poets, and storytellers all gather on this historic square in Morocco.