It's possible to walk inside one of the largest Neolithic tombs in Britain.

What was once England's second-richest abbey is now a haunting ruin.

A rotating bridge that carries a little canal over a larger one.

This craggy boulder is fabled to be either a druidic relic or Satan's stumbling block.

Banksy's image of a naked man dangling from the window of a sex health clinic.

This unlikely memorial honors the Canadian and Portuguese laborers who felled trees for the Allies in World War I.

This crumbling 14th century chapel became so unstable the roofing apparently collapsed during a wedding ceremony, narrowly missing the curate's head.

The centuries-old obelisk may have inspired J. R. R. Tolkien.

The remnants of a depressing public toilet are now a hub of ever evolving street art.

Some of England's last cave dwellers lived and worked within this huge cave.

The site of a mysterious pony massacre is rich with extraterrestrial conspiracy theories.

This 1,300-year-old marker is one of the finest and most complete early Christian crosses in Scotland.

This poignant WWI memorial looks like a lighthouse 100 miles from the sea.

When methane gas started seeping up from the ground, they picked up and moved the entire town.

This charming English house was once the home of England's most famous poet.

Enormous terracotta heads of Queen Elizabeth and Prince Phillip can be seen on the side of the road to Windsor.

When the public was consulted about a new piece of street art, they naturally asked for an enormous metal dragon.

The "Heroine of Dunkirk" rescued over 7,000 Allied troops during the historic World War II evacuation.

Preserved baths in a Victorian-era spa town frequented by the most famous people of its day.

On a site with a long military history, a 1980s shelter.

No one is sure what to do with this WWII shipwreck that sits at the bottom of the Thames, still loaded with tons of explosives.

The highest lighthouse in Scotland shines from an abandoned island.

A unique tribute to the millions of animals who served and died for the British military.

Britain's only artificial surfing lake is nestled in the beautiful mountains of Wales.