This underwater graveyard commemorates a group of murdered 16th-century missionaries.

Where condemned pirates met their grisly end at the gallows on the River Thames.

Nature took her revenge on the "Wickedest City in the World."

The sci-fi villain is a little-known inhabitant of the U.S. capital's largest cathedral.

At one of Berlin’s oldest churches, visitors can place mosaic tiles to help restore a medieval mural.

Winding paths and ramshackle mausoleums in the oldest "park cemetery" in London.

Twisted trees shaped by coastal winds make this woodland look like something from a spooky story.

The atmospheric road was never meant to be so creepy.

This picturesque island graveyard is the final resting place of dozens of notorious pirates.

The signs of a long buried road can still be found hidden beneath a London sewer grate.

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

A special shop catering to the needs of things that go bump in the night, and also helps kids become writers.

An unusual round church in London with a Templar past.

The quaint little store that is said to have inspired a famous Dickens novel was only given its name after the book was released.

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

A kaleidoscopic warehouse-maze of handmade neon signs.

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

Drink among marionettes at this pub inside a historic puppet theater.

The Devil’s own choice when he needs a drink in Brussels.

Makers and sellers of the original and finest York Ghosts.

Internet rumors, often involving Icelandic singer Bjork, have abounded regarding this isolated outcrop of rock.

This Bordeaux parking garage has 712 indoor spaces, and one outdoor.

This enormous "cloth of the conquest" depicts the Norman invasion of England in mind-blowing detail.

What looks like a normal building is really a hollow facade hiding a subway vent.