Construction of Barcelona's iconic (but controversial) church is expected to be completed in 2026—a century after the death of its architect.

A Reformation-era fiery figurehead once denoted this location as a print shop.

When the plague struck York, this stone was used to leave supplies for the sick.

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

Claiming to be the oldest hat store in the world, this historic haberdashery had a hand (and a head) in the creation of the Bowler.

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

This churchyard arbor is surrounded by hundreds of gravestones placed there by author Thomas Hardy.

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

Remnants of cells from the most notorious London prison may lie in the basement of a rare Victorian Gin Palace.

A monument to the thrice mayor of London who according to lore made his fortune by selling his rat-chasing cat.

William Blake claimed to have painted this gothic masterpiece after encountering this nightmarish being in a vision.

Tombstones and enigmatic inscriptions hide within a vault beneath a popular London arts venue.

A labyrinth hides in plain sight at each of the city's 270 Tube stations.

These morbid carvings remind churchgoers of the inevitability of death.

This historic building displays the remains of a victim of the devastating 14th-century plague.

The sculpture of the deceased cockatoo flops atop its personal plinth.

A mysterious shape catches the eye in this 16th-century painting.

This collection of illusory paraphernalia has been culled from the history of London's premier magician's club.

A burial vault located under Tiber Island in the middle of the Italian capital.

A more than 260-year-old crypt built on Boston's oldest English burial ground.

Medieval Danse Macabre Fresco in Northern Brittany.

Only a fragment of this 15th-century Dance of Death survives today.

Dancing skeletal figures pay homage to a medieval mural destroyed during World War II.

The walls of this medieval church are covered with perfectly preserved frescos, including a pristine example of the Dance of Death.