Bring your hiking shoes, wool socks, and thermal underwear for a stay in these cozy forest huts.

The fountain marks the area where hundreds of accused witches were burned at the stake.

Under a church hides a forgotten 13th-century ossuary containing the remains of around 2,500 people.

A hidden tunnel leads to an abandoned slate quarry that's now a secret swimming spot guarded by cliffs.

An eccentric aristocrat brought these Australian natives to their current Scottish home.

Accessible only at low tide, the deserted island is dotted with World War II ruins.

These picturesque ruins crumble beautifully into the ocean.

The UK's oldest theme park slowly slips away.

The alleged birthplace of Lady Jane Grey, who was executed at age 16 for claiming the throne of England.

An abandoned 18th century manse looks like something out of an Indiana Jones movie.

The ruins of a once-grand mansion in Northern Ireland are now thought to be haunted.

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

Richard III supposedly disposed of his nephews' bodies here in an effort to seal his claim to the throne.

The rotting skeleton of a shoreside fun fair that was destroyed by fire and storms still haunts the Brighton ocean view.

This home of a taxidermy hoarder is among the grandest and most singular of historic English estates.

A preserved 18th century steel factory.

This former Welsh metal factory is now a lovely abandoned relic but was once one of the industry's world leaders.

Thanks to both terrific preservation and historic vandalism this ancient site is known as the "Heart of Neolithic Orkney."

This tiny island featuring 9th-century Viking ruins is only accessible at low tide.

A magnificent winding road through a steep valley, with deep natural caverns at the bottom

This grave resides at the crossroad of three parishes.

This ancient bridge made of stone slabs is said to be reserved for the devil to sunbathe.

These medieval tunnels provided water to the city above through centuries of civil war and plague.

Enter the world under the hill at this ancient UK burial chamber.