This automated sculpture of two men peeing will spell out text messages with their micturition.

This walkway is so narrow it needs its own light to stop pedestrian traffic jams.

Despite attempts by local police to discourage it, Beatles-inspired graffiti has been a means for artists to air grievances for decades.

A mechanical clock built in 1914, with a rotation of 12 historical figures on its face.

Once the home of a hermetic monk, this cave now houses a small church.

A triumphant marble and bronze fountain depicting a 15th-century Hungarian king and his hunting party.

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

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

Museum dedicated to the terror regimes of Hungary.

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.

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

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

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

A 13th-century convent where St. Margaret of Hungary spent her teenage years.

On a teardrop-shaped island in the Danube, the ruins of a convent and the final resting place of a saint.

This runestone once destroyed by an explosion has been painstakingly reassembled to save its history.

Stone carvings record the Norse myth of Sigurd, providing a glimpse into Scandinavia's transition from paganism to Christianity.

A guitar mounted on a wall in Temple Bar honors the Irish musician.

The 19th-century pharmacy (now a used bookstore) was featured in James Joyce’s "Ulysses," and has changed very little to this day.

This permanent collection of preserved bodies taken from Irish bogs is one of the leading authorities on such morbid mummies.

A statue in the center of Dublin dedicated to one of their favorite sons of rock & roll.