This concrete church spent a period of its history as a World War II bunker.

Elaborate mansions built by Roma residents in Soroca to show their success after centuries of discrimination.

The largest wine cellar in the world is a 150-mile network of underground caves near the capital of Moldova.

This abandoned Soviet circus is slowly being restored to its Communist-era glory.

At this century-old barbershop, clients used to be entertained with a glass of brandy and a cigar.

A pair of gigantic baby heads greet passengers at Atocha Station.

A towering monument in Spain has proven to be more labor-intensive than initially planned.

This sweet-toothed bear searching for snacks has been a symbol of Madrid for decades.

Over two centuries old and counting, Madrid's massive botanical garden contains one of Europe's only desert environments.

A lush indoor jungle fills this bustling Madrid transportation hub.

Madrid's romantically ornate crystal palace has been offering shelter to plants and art for over a century.

Spain's unique Mosque-Cathedral has been a place of worship for both Muslims and Christians throughout its history.

This Netherlands museum holds a gloriously mechanical collection of ornate musical automata.

Antique cinematography artifacts fill this museum dedicated to the inventors of the moving picture.

Lyon's "Wall of the Silk Weavers" is one of the largest murals in Europe.

Lyon, France is home to two remarkably preserved Roman theaters, one dating back to 15 BCE.

Lyon's miniature version of the Eiffel Tower was built as a statement in support of French secularism.

Krakow's own version of the Hollywood Walk of Fame.

This former Nazi castle was built as a school to train what would have been the future of the Third Reich.

Underneath the city that invented pilsners are a series of historic tunnels that have been storing beer for centuries.

This former quarry is now a picturesque gorge that hides a sunken lake.

A significant example of Czech cubist architecture—a style you won't find anywhere else in the world.

This tipsy office building in downtown Prague was originally called “Fred and Ginger.”

This walkway is so narrow it needs its own light to stop pedestrian traffic jams.