In a sleepy village in Oxfordshire, the visionary English writer's gravesite attracts a yearly pilgrimage.

Human-made caves excavated to hide a secret society of wealthy pagans.

This magical museum celebrates the life and work of a seminal children's book writer (and occasional spy).

Home to one of the tallest church spires in Europe, this historic church once played host to King Henry VIII and Anne Boleyn.

This holy spring and its well have been the site of religious devotion for millennia.

This sculpture is an homage to one of the most important Jewish women in medieval England.

This unique, full-sized copy of the Bayeux Tapestry sports a few modern additions, including underwear.

Many of the cottages and houses of this tiny village are adorned with a local lord's collection of saintly statues.

It's believed King John of England stayed at this 13th-century castle before riding off to sign the Magna Carta.

A museum of alchemy and a basement laboratory all housed in an ancient building in a Gothic tower.

An enormous and lavish Gothic church in Czechia.

Folklore says this medieval fortress was plopped atop a portal to hell to trap the demons below.

Two stunning 17th-century libraries and a cabinet of curiosities.

The history of occult science is turned into a creepshow at this lurid Prague tourist attraction.

Increasingly decayed figures stand as a powerful reminder of the human costs of Czech Communism.

The medieval "Bearded Man" relief still serves as a clever flood warning marker.

Synagogue built from the stones of Solomon's temple contains the golem of Prague.

The hidden lair of an alchemist rediscovered in a 2002 flood.

A Jenga-style cylindrical tower of books that appears to go on forever.

A saintly relic hidden in a Prague church basement.

The largest and best-preserved rotunda in Prague.

A bust of Franz Kafka spins in pieces, reflecting the writer's inner torment.

A Baroque mansion with ties to legendary magicians and alchemists.

Street artists transformed an abandoned air vent into the beloved Star Wars robot.