The granddaddy of English geoglyphs dates back to the late Bronze Age.

Protecting the dead from opportunistic body snatchers.

This long-hidden space above Westminster Abbey now displays the battle gear of the legendary King Henry V.

A labyrinth hides in plain sight at each of the city's 270 Tube stations.

This coffee shop lies hidden beneath a historic church.

Now famous as the "Harry Potter bridge," this impressive concrete viaduct has long been an icon in its own right.

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

The anatomical-pathological collection of a man who changed surgery.

A hands-off space for graffiti artists to hone and display their skills.

This dramatic landscape hidden on the Isle of Skye looks as though you've stepped into the magical realm.

One of the world's oldest trees comes with a Welsh legend intertwining it with a spirit prophesying death.

This lonely cast-iron structure is the only wave-washed lighthouse of its kind left in all of Britain.

One family's environment-friendly hobbit-house in Wales.

This long line of cement defensive wedges is named after the famous chocolate bar for obvious reasons.

This secret Swiss fortress is disguised as a harmless pink house, complete with fake windows.

This hydraulic power system in London was, at one time, seen as a rival to electricity and the last of its kind to shut down.

Henry VIII's forgotten castle was built by the gunpowder-obsessed king to be defended solely by cannons.

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

The last resting place of the famous Native American princess is marked by a haunting monument.

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

Ancient Egyptian wigs, South American feather headdresses, a bounty of anthropological artifacts in Oxford.

Revel in the Victorian splendor of the world's oldest eating establishment inside a museum.

A Victorian natural history and ethnographic museum with wonderful turn-of-the-century, science-book-esque evolution displays.

A 2000-year-old Roman amphitheater lies just below Guildhall Yard.