A rare wooden coffin set vertically into the Gothic arch of an ruined church.

This chain of artificial lakes was an ideal test ground for the aircraft that would carry the "bouncing bombs" used by the WWII "Dambusters" squad.

Take a sea tractor to the Art Deco hotel on the island that inspired Agatha Christie.

Once a farm where patients tilled the soil, this asylum lost its workforce when overmedicating became common practice.

After mysteriously refusing to surrender at the end of World War II this sunken submarine was only salvaged in a search for Nazi gold.

A mysterious crater-like pond has a spooky tendency to empty and fill with complete disregard to rainfall patterns.

Rare and wonderfully wormy cadaver art captured in brass for centuries.

The world's largest prehistoric copper mine had 30,000 animal bones scattered throughout the maze of passageways.

A 19th-century time capsule of travel, fiction, and historic texts still available to the public.

The world's smallest commercial theater is set up in what was once a urinal for Victorian men.

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

A reportedly haunted 14th-century church is curiously facing the “wrong direction.”

The main gates have been locked since 1745 and will remain so until the Stuart Dynasty returns to the throne.

To literally keep their waste out of their own backyards, the citizens of this English city built an impressive sewer system that is still in use today.

Remnants of the 16th-century defensive wall still stand unassumingly within Edinburgh.

The community pools that the community refused to give up on.

Wonderfully preserved Victorian factory, complete with a preserved steam powered engine house.

A spiral staircase connects the limestone cave with Pembroke Castle, birthplace of King Henry VII.

Britain’s longest ancient monument, this great 8th century earthwork was built to mark the boundary between what would become England and Wales.

It is against the law to obstruct the view from the top of this English burial mound.

The ruins of a medieval seminary some say is the oldest university site in Scotland.

The oldest working Brewery in Britain.

These Roman ruins in England’s Lake District are 2,000 years old, but look pretty good for their age.

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