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.

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.

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

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

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

Built in 1870 at the bridge that connected Buda and Pest, this spectacular incline railway was almost lost forever during World War II.

This Slovakian statue of an emerging sewer worker might just be a bronze peeping tom.

Launched by Napoleon's soldiers more than 200 years ago, a cannonball remains embedded in the tower wall.

This Slovak bridge is known both for its connection to a national uprising and its UFO-shaped eatery.

Brass plaques embedded in pavement preserve the memories of those who lost their lives at the hands of Nazis during World War II.

This riverside restaurant has been serving customers since 1146.

When a medieval fire claimed the original St. Stephen’s Cathedral, it sparked a pattern of unquenchable organ building.

A park where the Inn and Ilz rivers join the Danube as it slinks off into Austria.

A castle from the Holy Roman Empire that hosts traveling youth... in its stables.

During World War II, the Nazis repurposed this beer cellar to store stolen artwork.

This strange sculpture depicts a giant nightmare hare crushing a man to death beneath its colossal bulk.

An ornate sculpture of an ox in repose marks the former entrance to Nuremberg's medieval meat market, which was destroyed during World War II.

These two 15th-century metal rods allowed people to check if they were swindled or not.

Baroque celebration of the end of the Great Plague of Vienna.

Rediscovered underground chapel is one of the best examples of Gothic architecture in Vienna.

One of the earliest and best-preserved buildings in Charles County, Maryland.

The final resting place of a physician rescued during the bombardment of Fort McHenry.

Two stunning 17th-century libraries and a cabinet of curiosities.