A hidden treasure in London with a rich medieval history, and the resting place of many luminaries.

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

Scattered throughout London are ancient remnants of the city's former bounding wall.

This coffee shop lies hidden beneath a historic church.

A cluttered and astounding collection of antiquities and curiosities.

An unusual round church in London with a Templar past.

Rebuilt remains of a temple to Roman god Mithras.

This London pub hides a peculiar secret: a recreation of the rooms shared at 221b Baker Street by Sherlock Holmes and Dr. Watson.

The popularity of Sherlock Holmes led to the creation of his fictional address, turning the orderly London street numbers askew.

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

This shop and gallery is a modern-day cabinet of curiosities, unassumingly positioned along an urban thoroughfare.

One of the few remaining casualties of the London Blitz, this destroyed church has become an enchanting public garden.

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

The only presidential monument to display a late POTUS's actual casket.

The heroic sled dog of the 1925 serum run is preserved in taxidermy.

One day a year it is legal to jump off of this astoundingly tall bridge that spans an Appalachian gorge.

The site of the one and only battle of Lord Dunmore's War.

A dramatic, 360-degree recreation of Pickett's Charge in the Civil War.

A diorama of the Civil War, fought by cats.

Home of the only civilian casualty at the Battle of Gettysburg.

This recreation of a 19th-century dime museum is full of oddities.

This monument marks the beginning journey of a wounded soldier's leg that ended up almost two states away.

The beloved, war-tested mascot of a Union regiment graces their battlefield monument.

This Civil War monument was designed by an eccentric architect and Gettysburg veteran.