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."

The metal leaves on this tree are engraved with the names of Holocaust victims.

A Trabant car, a kangaroo statue, and a plethora of plants take over this abandoned-factory-turned-bar.

The holes in this wall provide a glimpse into Jewish life in Budapest, both past and present.

A stunning Art Nouveau cinema in the heart of Budapest.

This hidden art nouveau gem was designed by an architect in search of a national style.

A trough of 700 strange bronze faces runs through a narrow alley in Ljubljana's old town.

Since 1999, this bakery has been turning out the dreamiest tortes in the Slovenian capital.

Martin Bricelj Baraga's monolithic sculpture measures the blueness of the sky, and changes color to match it.

Inspired by the Rialto Bridge in Venice, these three clustered bridges were just one part of a Slovenian architect’s grand vision.

Buy raw milk from a 24/7 vending machine or pick up tomb candles at this local market.

In between two buildings in Ljubljana, medieval tunnel to nowhere.

A public work of art that also provides some relief from the summer heat.

When this monument to Slovenia's national poet was erected, it's said to have sparked the ire of nearby church authorities.

A whimsical bridge adorned with decorative dragons.

This scale model of our solar system hid in plain sight for years before a physics team sought out all the planets.

A World War II evacuation tunnel turned into a history display of Croatian state and people.

Dating back almost 400 years, the oldest public collection library in the United Kingdom was once the study hall of Karl Marx.

Two of the most notable names in automobile history are commemorated at the place where they're said to have first met.

This bronze statue honors one of the leaders of the suffragette movement in the United Kingdom.

One of the trees in Manchester’s Piccadilly Gardens is actually a World War II memorial, and it's made of metal.

This haunted 17th-century pub was moved to a new city when it was already almost 300 years old.