This column celebrates Rome's victory over the Goths, and may be the oldest Roman monument in Istanbul.

A marvel of Byzantine engineering under the streets of Istanbul.

This remarkably well-preserved Egyptian plinth is pretty well traveled for a giant piece of stone.

One of the newest mosques in a city filled with thousands.

This museum was invented in a novel before being made real by the author.

A gorgeous, Gaudí-esque stairway constructed in the city of Istanbul by a prominent Jewish family.

This memorial to the victims of the Romanian Revolution of 1989 is often compared to a potato on a skewer.

The preserved arm of a third-century sorcerer is believed to have the power to lift curses and spells.

This once-derelict building is now one of the most beautiful bookstores in the world.

The bust of Romania’s most notorious ruler, Vlad Dracula aka "Vlad the Impaler," keeps watch over the ruins of his medieval court.

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

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

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

This easily overlooked memorial immortalizes the scars from the 1956 Hungarian Revolution.

A Jenga-style cylindrical tower of books that appears to go on forever.

This German fountain of a legendary apple wine-loving drink thief will spit on you.

Fantastic views and thousands of love locks.

Somber memorial to the May 10, 1933, book-burning which took place on this spot.

Carved fountains poignantly placed in parks and in front of special monuments.

A shining memorial to a Belgian hero is said to bring luck to anyone who touches it.

This device was crucial to the Industrial Revolution development of Leeds.

In a small courtyard resides this large mural that draws inspiration from Leeds and its history.