A vista of the city and sea from atop the little-known viewing deck on an unassuming Columbus statue.

The iconic boulevard is the perfect place to catch sight of a bicycling skeleton, a levitating Satan, or a chef with his head stuck in a pizza.

Gaudí's famously flamboyant architectural style is on full display in this sprawling park and garden.

Construction of Barcelona's iconic (but controversial) church is expected to be completed in 2026—a century after the death of its architect.

The possible imprisonment of Vlad the Impaler here earned the medieval castle its nickname, "Dracula's Castle."

Housing the famous Norwegian ice-defying 19th century polar exploration ship.

Across the Pacific in a raft, a museum dedicated to Thor Heyerdahl's now legendary expedition.

A favorite with sightseers, this Norwegian funicular provides easy access to a stunning view of Bergen and its environs.

Where royalty waits in the height of luxury.

Before it was buried by volcanic ash, this fast-food restaurant fed the hungry hordes of ancient Rome.

The only visible reminders of an elaborate engineering project that kept the tower from reaching the tipping point.

The walls and streets of the ancient city are peppered with penises.

In the early Roman Empire, people deemed traitors and criminals were tossed to their deaths from this rock.

Venice's island of the dead.

Erotic art covers the walls of the largest ancient pleasure palace.

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

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

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

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

This ancient structure appears Roman, but was constructed during the 16th century and was utilized until 1911.

This black sand beach was crafted from volcanic explosions including the historic Minoan eruption.

The prototype for all Nazi concentration camps.

The celebrated eyesore created by starry-eyed sweethearts.

The oldest continuously operating mint in the world that has been making coins since the 9th-century.