This impressive collection of rare books on ancient mysticism inspired author Dan Brown.

The world’s oldest and biggest bookstore stocking only mystery, crime fiction, espionage, and thrillers.

This oak sculpture at the edge of a small woodland is nine feet tall and shrouded in mystery.

Renaissance hospital featuring a rotating door into which unwanted babies were dropped.

This ritzy Italian market is built around a statue of an unforgiven heretic who was burned for his belief in an endless universe.

2300-year-old Roman road connecting the empire.

Part museum, part piece of Arthurian-inspired history, this stately hall attracts King Arthur fans from miles away.

A fantastic castle rumored to be the birthplace of King Arthur.

Since 1874, this macabre collection has developed into a museum devoted to Scotland Yard's mementos of dastardly deeds.

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

The sign at the garden gate reads: "These Plants Can Kill."

England's foremost purveyor of funeral furniture hasn't changed a bit since the 1960s.

These centuries old gardens have been restored to their 17th century condition.

This historic abandoned train station looks like a stop for ghost trains.

This ornate English estates "Prodigy House" still bears the cannonball marks of civil war.

A steampunk-styled three-floor factory churning out art, activism, and electronic beats.