The curios of pharmacist and collector Henry Wellcome.

The remains of the great moral philosopher reside in a university in London.

This ancient Roman bridge and aqueduct still stands as a wonder of classical construction.

Single runway interrupted by a busy road that cuts across its middle.

Three bridges and one giant canyon make up this fantastic Spanish settlement.

The final resting place of the great navigator, or maybe his brother.

Venice's island of the dead.

Museum dedicated to the terror regimes of Hungary.

Once the home of a hermetic monk, this cave now houses a small church.

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

Macabre astrological automaton clock dating to the late 1400s.

This Prague museum collects brutalist relics and memories from the country's former Soviet rule.

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

The tomb of Increase Mather and his son Cotton, influential colonial ministers obsessed with the occult.

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