The most iconic structure in Scotland has been home to bishops, colonels, and Sean Connery characters.

Home to the largest urban bat colony in North America, estimated at 1.5 million bats.

"Respectful to the dead, safe and sanitary to the living, dedicated to the Genius of Memory..."

One part antique store, one part curiosities hodge-podge.

Kings Cross Station pays tribute to its role in Britain's best-selling book series.

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

An unusual round church in London with a Templar past.

A popular swimming hole that hides one of America's most deadly diving spots.

A fantastic castle rumored to be the birthplace of King Arthur.

Elevated freight railway turned wildly successful urban park.

The site of the climactic scene from the classic horror film is now a historic landmark.

This unique structure in suburban Austin is made up entirely of other people's castaways, and constantly changing.

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

The gloomy ruins that inspired Bram Stoker to bring Dracula to life.

The oldest cemetery in New Orleans, resting peacefully for over 200 years now.

France's most famous cemetery, with some of its most curious tombs.

A 200-year-old bar in the historic French Quarter refuses to give up its place in history, nor its role in securing ours.

A nearly 500-year-old sculpture depicts a man eating a sack of babies, and no one is sure why.

This iconic Parisian bookstore doubles as the "Tumbleweed Hotel" for traveling writers.

Two stunning 17th-century libraries and a cabinet of curiosities.

Macabre astrological automaton clock dating to the late 1400s.

London's creepiest cemetery was once the site of dueling magicians and mobs of stake-carrying vampire hunters.

An emerald-green grotto just a short trip from Austin.