A statue commemorating a Polish dog who took his role as man's best friend very seriously.

There are thousands of tributes and memorials to the King, but none quite like this one in a Kraków city park.

St. Mary's features one of the most spectacularly decorated cathedral interiors in all of Europe.

Beneath Kraków Old Town's main square lies a hologram-filled medieval market vampire graveyard wonderland.

This sprawling concrete suburb of Kraków was designed by the Soviet Union as the model proletarian city.

This Polish cave has housed a dragon, a brothel, and an enduring legend.

This man-made mound monument was built out of soil from all across the Polish empire.

The unsettling remnants of a torn down movie set lies nearby the ruined location of the actual Płaszów Labor Camp.

A beautifully eclectic mix of architectural styles.

Three connected pink triangles memorialize persecuted gays and lesbians throughout history.

This towering church is home to a world-famous organ and a treasure trove of medieval art.

A bridge that has seen many reiterations over its lifetime.

Hidden within a Netherlands crater is a stone bed that lets those who lie in it see the sky as a curved surface.

A seven-century-old jail tells a not-so-pleasant history of crime and punishment.

The location of the world's first telescope demonstration.

Strange secondhand shop showcasing taxidermy and oddies

The largest 19th century panorama in the world still in-situ.

Lumps of significant stone from around the world surround a flaming monument for peace.

These slanted cubic abodes are a creative if odd solution to a zoning pickle.

A massive stone fox oversees a Rotterdam elementary school crosswalk.

Old ships and machinery fill a historic harbor in the city that's home to Europe's largest port.

A condensed piece of China floating in a Dutch harbor.

Rotterdammers' dirty minds gave this santa a dirty nickname and cursed it to a life of wandering.

Locals believe this abandoned ruin on the outskirts of Bucharest is haunted.