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

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

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

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

Some of the greatest minds in the history of Hungarian art and science converged in this café.

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.

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

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

Seven mini rowhouses fill the gap between 54 and 70 Westerstraat.

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

An "inside out" building in the historical center of Paris, featuring Europe’s largest modern art museum.

Those who own or stay at this 500-year-old, allegedly cursed house often meet terrible fates.

Two very green residential towers cleaning the air in one of Europe's most polluted cities.

Ancient snack bar of the Roman Empire re-opened.

This winding road through an Italian canyon may be the most scenic drive in the world.

Pilgrimage site for star-crossed lovers.

The last moments of the ill-fated Pompeiians, frozen forever in plaster.

The yawning maw of this pagan visage is said to bite off the hands of liars.

This community on a small Venetian island has taken to painting their houses in bright neon hues.

An Italian crevasse filled with abandoned buildings gives visitors a look at the world without humans.

Go surfing on this urban wave, "hacked" by local surfers.

The site of a concentration camp where inmates were made to take part in one of the largest counterfeiting operations in history is now hauntingly empty.

Golden cobblestones remember a time when this small alley was used to avoid having to give a Nazi salute.