This ancient Roman bridge and aqueduct still stands as a wonder of classical construction.

A French library that makes sure its love of books is writ large... giant in fact.

A colorful piece of contemporary art cheerfully clashes with Lyon's historical architecture.

Lyon, France is home to two remarkably preserved Roman theaters, one dating back to 15 BCE.

Lyon's miniature version of the Eiffel Tower was built as a statement in support of French secularism.

A tiled, multi-level garden of survival in Lyon.

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

A fake Transylvanian castle houses a cathedral of antlers.

Late at night, the bust of the "Dracula" actor was snuck onto the facade of this Budapest castle.

Possibly the world's largest hourglass only needs to be reset every New Year's Eve.

The romantic garden was the epicenter of the Hungarian art scene in the 1880s.

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.

A random tree outside a Budapest hotel has become a DIY shrine to the late singer.

This off-beat, quirky communism-themed bar isn't afraid to poke fun at its history.

Tucked away near more famous landmarks lies a statue meant to symbolize the confluence and continuing development of human culture.

From Austrians to Nazis to Soviets, this historic Budapest fortress has a history as complex as the city itself.

Legions of Roman soldiers bathed in this ancient spa complex under a Budapest transit station.

Budapest's Communist-era statues, banished to the suburbs.

A beautiful display of nearly 50 bells crafted with a unique design and distinct sound.