One of the world's largest swinging bells is a symbol made from the melted aftermath of war.

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

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

An impressive monument to Poland's independence.

This little sun pays homage to a massive gate that once stood at this location.

This modernist bridge highlights the bear as a symbol of Madrid.

Also known as Uncle Karl, the beloved bronze copper keeps a watchful eye on St. Stephen’s Basilica while people rub his lucky belly.

Dedicated to the works of the legendary special effects artist.

A grumpy old water goblin guarding an old mill on the Devil’s Stream in Prague.

A socialist building dedicated to teachers showcases one of the largest Soviet mosaics in the world.

A plaque in Madrid’s West Park marks the launch of a queer icon’s unlikely media career.

A thorough look at the development and history of the underground's rolling stock of the Madrid subway system.

Shrapnel scars and bullet holes from the Spanish Civil War can still be seen in this monument to Spanish doctor Federico Rubio.

An Italian crevasse filled with abandoned buildings gives visitors a look at the world without humans.

Italy's "New Mountain" rose from the ground in a volcanic eruption in 1538.

This pair of unsuspecting buildings are in fact the very first modern skyscrapers in Europe.

This red light district plaza memorializes the Fab Four and their historic connection to the area.

A journey through the history of medicine throughout the centuries.

Once a resting spot for King Fernando VII.

This free museum is building a collection of books that are banned, censored or burnt around the world.

Celebrating the works of a beloved Italian actor, known for such cult films as 'They Call Me Trinity' and 'Watch Out, We’re Mad!'

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

Inside this building is another country within Rome, a sovereign entity without a physical territory.

Poet Antonio Machado's former residence offers the quintessential Castilian lifestyle of the provincial towns in the early 20th century.