A giant white horse drawn on an English hillside may not have been intended to be a horse at all.

Don't be fooled by this fake medieval facade even if it is almost 300 years old.

Picturesque ruins once held off mighty armies.

The decaying ruins of Wales' first asylum for the mentally ill.

An 18th century monument regularly tagged with unsettling graffiti referencing a 1940s unsolved murder.

Recently restored menagerie of Victorian-era beasts.

This lonely cast-iron structure is the only wave-washed lighthouse of its kind left in all of Britain.

Three bridges straddle a stream, one stacked upon the other.

A 4,500-year-old forest is slowly being revealed from beneath the sands of a Welsh beach.

The largest known medieval map of the world.

The most loyal of little dogs, or a Victorian era publicity stunt?

The vast, legendary catacombs hold secrets much stranger than stacked bones.

The headless bodies of more than 1,300 guillotined victims of the Reign of Terror are buried here in mass graves.

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

London's creepiest cemetery was once the site of dueling magicians and mobs of stake-carrying vampire hunters.

The site where one of the most famous poems of World War I was composed is preserved to honor the legacy of the work.

Walk upon the mementos of the dead in this Parisian courtyard paved with medieval tombstones.

Around 100,000 bodies are buried below the medieval headstones, many of which mark graves with multiple bodies stacked up to 12 deep.

Underneath this small church are 15,000 bones, arranged by an obsessive academic.

An enormous, inside-out glass globe built in 1935.