The curios of pharmacist and collector Henry Wellcome.

This intriguing Bronze Age artifact spent centuries hidden within a Welsh faerie hill.

A tribute to the intrepid explorer and his crew who perished in terrible conditions on an ill-fated expedition to the Arctic.

A gruesome and mysterious ancient sculpture of a pagan deity from the Roman occupation of Celtic Britain.

These Victorian era devil sculptures were designed to spite a local vicar.

This pump on the bad side of Victorian London betrayed a horrifying revelation about the water supply.

The commemorative stone column conceals a secret laboratory.

The library houses an incredible collection of some of the world's most impressive books and manuscripts.

The fierce beast perches atop a pedestal marking where the historic City of London gates once stood.

A hidden treasure in London with a rich medieval history, and the resting place of many luminaries.

A naturally mummified 2,000-year-old man.

A charming 17th-century alley is lined with secondhand bookstores and antiquarian shops.

This grave marks one of few bodies retrieved from the disastrous Franklin Arctic expedition.

A whale's jawbone and a malfunctioning harpoon welcome you to the village of Bragar and its lore.

This early version of the guillotine was used to execute the man responsible for its construction.

On this stunning Scottish island, you can walk in the footsteps of dinosaurs.

The world's largest collection of witchcraft regalia.

A cluttered and astounding collection of antiquities and curiosities.

The Art Deco artwork depicts gilded carriers of deadly illnesses.

The John Snow Memorial marks the epicenter of London's 1854 cholera epidemic.

These ornate arches show how the course of the River Thames has changed.

Tucked away behind the mansions of Mayfair, this picturesque garden is a hidden London treasure with a spooky past.

Black cat statues guard this temple-like Egyptian revival factory.

This giant wooden treehouse within a sprawling garden has its own eatery.