America's oldest archaeological site or a muddled case of wishful thinking.

This narrow canyon has been carved by the river over thousands of years into spectacular and curious forms.

Six ravens are kept captive (but well-fed) at the Tower of London to prevent the fall of the Crown.

Giant, friendly pelicans in Central London, the most unlikely of places.

Mary Kelly was last seen here before she was murdered by Jack the Ripper.

Hidden behind a wall for decades, this masonic lodge was only rediscovered during renovations.

The television series' iconic giant foot was borrowed from this classical painting.

The final resting place to 300 Victorian-era pets hides inside the city park.

The anatomical-pathological collection of a man who changed surgery.

In this cobwebbed old operating theater, you can practically hear the screams of the unanesthetized patients.

An easily overlooked stretch of ornate window fronts and gaslight lamps that could be right from the pages of Dickens.

Banksy gives themself artistic license with this piece of London street art.

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

This churchyard arbor is surrounded by hundreds of gravestones placed there by author Thomas Hardy.

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

This Boston medical museum features the skull of the famous medical case of Phineas Gage.

A reliquary of pop culture marvels, including the world's largest (and most terrifying) Jack-in-the-Box.

A collection of haunted artifacts chronicles the career of the world's most famous paranormal investigators.

This petite park lets visitors see and touch examples of fossilized dinosaur tracks.

This last stalwart of the now-forgotten feminist restaurant movement has been serving food in an activist atmosphere since 1977.

These Benedictine nuns have been making artisanal cheeses since before it was cool.

The world's largest public collection of PEZ memorabilia.

This small-town pizzeria won the Hollywood lottery.

The ruins of an abandoned 18th-century town that is slowly being reclaimed by the forest.