One part local history, 99 parts gruesome haunted house.

The longest hedge maze in the world.

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

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

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

A kaleidoscopic warehouse-maze of handmade neon signs.

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.

The hidden "ballroom" under a mansion lake was built by a criminal who ate a cyanide pill during his trial.

The world's largest collection of witchcraft regalia.

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.

One of the largest sculpture collections in the U.K. features history's greats, from Bob Dylan to Galileo, in bronze.

This artificial ring island was built to hold cubic tons of polluted dirt.

This giant radio telescope would be a rusting ruin if it hadn't become such a beloved relic.

This Dutch statue is a monument to the fictional shrew who brought doom to the city of Stavoren.

Hop aboard a charming bog train to explore this rare open-air museum of peat.

This small electronics museum is full of whirring, humming, clicking ephemera.

The history of sea-faring refuse and disaster is on cramped display in this Netherlands folk museum.

This massive collection of taxidermy is full of specimens collected by missionaries during their international travels.

Visit the ancient, mysterious Roman catacombs ... in the Netherlands.

A true Valhalla for cactus and succulent lovers.

Pull up and have a drink at a museum filled with hundreds of years worth of shipwreck artifacts.

“And the Lord said unto Johan, build for thee an ark for the end of the world is approaching.”