Though its celestial ceiling is impressive, the true star is the vast collection of French books.

This lavish room in a New York City mansion is a rare relic from the end of the Gilded Age.

The lesser-known Alice sculpture of Central Park dedicated to the “godmother of American children.”

The first pet cemetery in the United States.

Legend holds that this knife serves as a chilling reminder of the deadly rivalry between two local builder brothers.

The final resting place of New England's last "vampire."

The graves of a Connecticut family thought to have been plagued by a vampire.

At this site, two historic stone bridges spanning the Sing Sing Kill—one right on top of the other.

The bones of the Biblical Magi traveled to Constantinople and Milan before landing in their current home inside an elaborate golden reliquary in the Cologne Cathedral.

A ruined mansion hidden in the woods of the Hudson Valley, home of a tragically doomed romance.

This house was the subject of an Edward Hopper painting, which in turn helped inspire the design of the Bates house in Alfred Hitchcock's 'Psycho.'

Concentrated around the Dead Sea, these surprising canyons are filled with coursing water, fish, and even crabs.

A collection of miniature, symbolic sculptures hides in plain sight across Kyiv.

Beneath Kraków Old Town's main square lies a hologram-filled medieval market vampire graveyard wonderland.

Inside this Krakow church, an explosion of psychedelic color.

A statue commemorating a Polish dog who took his role as man's best friend very seriously.

This grubby wall is said to be one of the Earth's esoteric energy centers.

This Polish cave has housed a dragon, a brothel, and an enduring legend.

Real bones which are said to have belonged to a Polish dragon.

Krakow's own version of the Hollywood Walk of Fame.

No building in the world leans as far as the so-called “Leaning Tower of Abu Dhabi.”

This futuristic building is yet another architectural wonder in Dubai.

The former Nazi Germany concentration camp stands as a museum to remember this dark chapter in European history.

Whitewashed mosque contains the world's largest carpet.