These tiny effigies are believed to represent victims of Edinburgh’s notorious Anatomy Murders.

The fountain marks the area where hundreds of accused witches were burned at the stake.

A giant Troll lurks under one of Seattle's oldest bridges.

The iconic Chicago sculpture hides a beautiful and easily overlooked plaque on the backside.

Once called the "Polish Gold Coast" it is an icon of the neighborhood that bears its same name.

This modest post office sits on the site of H.H. Holmes' famous murder castle.

The twin towers in this Chicago fountain use 50 foot tall video screens to spit on people.

Numberless clock creates a meal of time for the dreaded, insectile Chronophage.

The Origin of On the Origin of Species.

A flourishing garden with pigs, donkeys, goats, rabbits, guinea pigs, chickens, ducks, and sheep.

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

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

A mysterious chasm in the heart of the ancient Roman Forum, the Lacus Curtius was once believed to be a gateway to hell.

An alchemist's “magic door” stands in the middle of a Roman park.

This lovely little burbling creek is actually a deadly waterway that has dragged down everyone who ever set foot in it.

The National Railway Museum in York is the largest railway museum in the world, attracting almost 1 million visitors per year.

A century-old tradition has culminated in a small but singular collection of feline effigies.

This South London cemetery holds the remains of more than 15,000 people.

Commonly acknowledged as the only public monument to the Devil himself.

Madrid's romantically ornate crystal palace has been offering shelter to plants and art for over a century.

Thanks to modern navigational tools we now know that the true prime meridian runs through a park next door.

Spitalfields' regal market goat is said to be a monument to the area's migrant population but most are pretty sure it's just a goat.

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

This New England covered bridge is home to the tale of a jilted lover known to haunt the area.