A closed London rail station created to cart away the dead still bears the marks of attempts to make it less morbid.

A plaque marks the underground site of one of London's "lost rivers."

An alleyway plaque is all that remains of the independent Texas' envoy that forgot to pay their rent for over a century.

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

The names Lúthien and Beren can be found inscribed on the shared grave of the famous writer and his beloved wife and muse.

The beloved fantasy novelist is buried near a church containing a whimsical etched glass window full of Narnia favorites.

A mysterious bridge over a sunken Roman road.

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

This trio of neolithic stone monuments are fabled to be a king and his knights that were petrified by a witch.

The granddaddy of English geoglyphs dates back to the late Bronze Age.

Rare and wonderfully wormy cadaver art captured in brass for centuries.

The beams of the New College, Oxford dining hall come with an amazing story.

Oxford University's stateliest library seems designed to make students truly feel the weight of knowledge.

A sacred well steeped in Pagan roots on the West Coast of Ireland.

Inky sludge oozes to the surface of this beach thanks to a rare natural tar seep.

An important pilgrimage site for pagans and early Christians, named for a Celtic goddess-turned-saint.

The severed head of a 17th-century Irish martyr lies within an intricate golden shrine.

Tiny horses tethered to antique rings are scattered around the city.

You would never come across this tiny green oasis if you didn't know it existed.

The remains of the oldest synagogue in Britain lay forgotten for seven centuries, hidden under a humble shop.

Mysterious man-made rock piles form an ancient cemetery on this rocky beach in Norway.

Mysterious ancient boulder carved with petroglyphs in the mountains of Western North Carolina.

Statue of a decomposing prince that once held his heart in its hand.

Mystery surrounds a famous marshal of Napoleon's army.