This bug-eyed water wheel uses the power of the Sun to clean up Baltimore Harbor.

A 200-year-old bar with a cheeky name claims to have served Edgar Allan Poe his final drink.

A faded sign from the 1920s remembers Baltimore's resistance toward banning alcohol.

Public opinion is still divided on this enormous sculpture in front of Baltimore's Penn Station.

A papal fortress built to assert Roman control over the independent city of Bologna

The middle finger of modernity.

This private skyway is filled with art and was expanded explicitly so that Hitler could appreciate a river.

A large grotto built in the 16th century amidst Florence's famous Boboli gardens.

Crispy, cheesy rice balls—the Roman answer to arancini—take center stage here.

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

This ritzy Italian market is built around a statue of an unforgiven heretic who was burned for his belief in an endless universe.

Historic fortifications form the boundary of Vatican City, but it’s not entirely surrounded by walls.

A pair of gargoyles peer into unsuspecting passengers at Denver’s conspiracy-packed airport.

The trials and tribulations of marking Poe’s grave.

Hundreds of lucky felines haunt the ruins where Caesar was murdered.

This Boeing KC-97 tanker is now a restaurant for aviation lovers.

In the middle of a busy airport, a statue honoring the astronaut who told Houston that Apollo 13 had a problem.

Paranormal experiences in this hotel's room 217 led Stephen King to write "The Shining."

Tokyo’s only Ainu restaurant serves Indigenous food from northern Japan.

This park celebrates a sister city relationship that survived the Cold War.

This sculpture forces visitors to confront their relationship with space.

A community gathering place that once housed half-ton tanks and the World's Fair.

From a neon Rapunzel to a bike traffic meter to a street fair color scheme, the most opened drawbridge in the US is a veritable art gallery.

You’ll never see the sky the same way after visiting this art installation in Tempe.