Near Belgrade, an ancient-looking sarcophagus serves as a World War I monument.

The unusual sculptures are believed to be powerful political symbols.

This feat of Brutalist architecture is also known as the Three Sisters.

A museum dedicated to the former country.

Destroyed Serbian army headquarters sits half crumbled in a largely revitalized Belgrade.

Nikola Tesla's ashes are held in a golden sphere, surrounded by his works.

A towering spire in the fortress of Kalemegdan honors the victorious armies of Serbia during their struggles against the Ottoman Empire.

A diminutive statue that was inspired by the sculptor's own daughter.

A trail of iron footwear stands as a monument to the thousands executed along this riverbank during WWII.

A statue in Budapest's Liberty Square honors the former U.S. president's efforts to end the Cold War.

From cartoon characters to tiny tanks, a guerilla sculptor's little bronze statues are hidden throughout the city of Budapest.

A highly-criticized monument in Budapest has become the site of a makeshift Holocaust memorial.

The mummified right fist of a 1,000-year-old saint-king sits inside an ornate golden reliquary.

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

Hungarian Jews were ghettoized during the Second World War, but little remains of the original wall that closed the Jewish people off from the rest of the city.

This sculpture honors the man who was known as the "Righteous Among the Nations."

Some of the greatest minds in the history of Hungarian art and science converged in this café.

A toy store with a century-long history preserves the craftsmanship of playthings of the past.

This massive collection of British military artifacts includes the heartbreaking personal letters of the men in the trenches of WWI.

A 300-year-old tea shop that brought tea to the English people, not to mention the Queen herself.

The last permanent exhibit dedicated to the Soviet leader.

These enormous, stern-faced statues greet visitors with lanterns, and sometimes costumes.

No matter how many times this community-run sauna gets destroyed, it always rises from the ashes.

This church also serves as a lighthouse complete with a beacon.