This medieval sanctuary's tree-framed door looks like a portal to a mythical realm.

The centuries-old obelisk may have inspired J. R. R. Tolkien.

This black cat was actually designed to ward off bad luck.

This statue includes the molehill that toppled a king.

Classic game cookery takes center stage at what's widely considered London's oldest restaurant.

Colorful murals by Jean Cocteau hide within this peaceful London sanctuary.

These ornate arches show how the course of the River Thames has changed.

Outside of one of Britain's most renowned social clubs, a step installed specifically for the Duke.

The sumptuous ceiling was one of the last things Charles I saw before his execution.

One of America's founding fathers lived in this London lodging between 1757 and 1775.

An unusual ode to the late Irish playwright, complete with a squiggly bust and coffin-shaped bench.

A statue of the original Pearly King is hidden in a church's crypt.

A mysterious shape catches the eye in this 16th-century painting.

The world's oldest optical museum is an odd collection where the exhibits look at you.

This coffee shop lies hidden beneath a historic church.

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

A quartet of tiled art pieces adorn the floors of this prestigious art museum.

London's smallest police station is barely the size of a phone booth.

The strange behavior of a tween led to allegations of witchcraft and a curse being placed on anybody within earshot.

A simple but powerful tribute to the 20 victims of the 1692 witch trials.

A mysterious monument where a woman who records say never existed was burnt alive for being a witch.

This rural museum highlights Wyoming's era of trapping and fur trades, and hosts the annual Green River Rendezvous in July.

Inside a Scottish castle hangs the tattered remains of a flag with murky origins and supposed magic powers.

Eccentric concrete mansion and museum designed and built by hand from the inside out.