The only rotating bar in New Orleans has been slowly spinning since 1949.

A crew of die-hard train buffs spent decades turning a defunct stretch of railway in Oklahoma City into a museum now home to over 50 antique and restored trains.

Follow the original medieval paths that wind through this intriguing section of the city.

An incredibly well-preserved piece of ninth-century Viking poop.

This exceptionally well-preserved ancient marvel also houses a small museum dedicated to Jordanian folk tradition.

The remains of an ancient Roman city are hidden underneath Bologna's beautiful public library.

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

This hidden alley near the location of Rome's first theater was the site of a curious miracle.

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

The resting place of a Civil War celebrity's amputated limb.

These massive concrete balls were used to mine gold in Virginia.

An encyclopedic collection of mammal penises.

A series of waterfalls create the illusion of perpetual rainfall in this hidden gorge.

This 200-meter-high waterfall marks the site of Achilles’s immortal baptism at the mouth of the River Styx.

The hallucinogenic center of the ancient world.

A Wild West saloon that helped define a generation of psychedelic rock.

This colonial mining complex is now home to magnificent themed gardens.

A little-visited ghost town state park offers a glimpse into Montana’s "Silver Queen."

This Gothic castle-like portal is a testament to the amazing craftsmanship of the navvies who built the railway tunnel.

This colossal underground passage paved the way for large-scale drainage and access tunnels across the U.S., but it almost wasn’t built.

Proto-CIA agents trained with grenades in the sand traps and fired machine guns from the fairways.

At the entrance of this chapel is a fresco commemorating the dead from the plague outbreak of 1630.

Six paintings reminding you that death is integral part of everyday life.

If you ever wanted to touch a medieval mercenary’s three testicles, look no further.