The curios of pharmacist and collector Henry Wellcome.

Catacombs turned marketplace.

This shop and gallery is a modern-day cabinet of curiosities, unassumingly positioned along an urban thoroughfare.

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

A rotting air force base is now home to rare birds and scarce plants.

One of the oldest trees in Britain may have been witness to some of the country's formative moments.

Museum celebrating the ocean, with the largest wunderkammer dedicated to sea exploration.

For hundreds of years, this huge figure has been blessing visitors before they explore his body.

Ship-sized kinetic sculptural fantasy.

This WWII aircraft museum presents its wrecks like taxidermy, complete with recreations of the crash sites.

Want to properly offend a king? Sculpt a giant hill figure in chalk of him riding out of town.

Giant naked man on a hillside.

This South London cemetery holds the remains of more than 15,000 people.

An incarceration museum on the spot of possibly the oldest prison in England.

This one has sailed five times as far as Sir Francis Drake's famous ship.

Romania's triumphal arch looks out over Bucharest.

A working steam clock, one of only a few in the world, located in Vancouver's Victorian Gastown.

In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.

Experience a charming 1930s version of "infotainment."

Home to the most complete dodo remains known - one head, and one foot.

Where the lovelorn find a home for their sentimental keepsakes.

In this cobwebbed old operating theater, you can practically hear the screams of the unanesthetized patients.

This tunnel entrance is built to resemble a grand castle but no one is quite sure why.

Both church and state get put to the torch in this annual festival in the "Bonfire Capital of the World."