A bronze woman in a stylized dress honors a courageous politician.

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

Uh, pardon me, ma'am, but I couldn't help noticing that there's a Columbo statue in the middle of Budapest.

A much-loved sculpture depicting the hero of a 1956 anti-Soviet uprising.

This statue of a falling man commemorates a teenage martyr of the Hungarian Revolution.

The geographical center of Budapest is marked with a 10-foot-tall stylized zero.

This memorial to a murdered empress took 20 years to design, then spent 30 years hidden away in storage.

Statues of two of Srem's most well-known animals.

Backwards hour and minute hands and a timing mechanism that fluctuates with the temperature led to this clock tower's local nickname.

This 14th century castle withstood years of battle but is now sliding off the hills into the Danube.

Stone age urban planning.

A Roman monument to their own civil engineering prowess.

One of the most important fortresses along the Danube now lies in ruins.

A giant portrait of an ancient king looms over the river.

Arguably Belgrade's only example of pure Art Deco architecture.

A Serbian church lit by chandeliers made of weapons.

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

A misnamed well, with a deep dark past.

A small self-proclaimed micro-state located on a piece of disputed territory between Croatia and Serbia, near Liberland.

A self-proclaimed libertarian micro-state on a tiny bit of disputed territory between Serbia and Croatia.

At just 25 inches at its narrowest point, it's one of the tightest streets in the world.

Old Tudor home moved on thick iron rails to a new spot.

Native Australian lizards inhabit this garden celebrating Sydney and its sister city in China.

Though considered an eyesore by some, this boxy Brutalist high-rise plays a significant role in Sydney's past.