A giant scrawl on the skyline of south London.

This bunker in northern France was built by Nazi German forces with the intention of launching up to 50 V2 rockets at London each day.

This former quarry is now a vibrant labyrinth of magical in situ sculptures.

A popular day's outing in Bovington consists of watching military tank driving practice.

Now overgrown, these anti-tank barriers from World War II are sometimes called "dragon's teeth."

This tiny town features a tiny town that acts as a 3D snapshot of the town during the 1950's.

This iconic 1,000-year-old medieval castle is a favorite of the film industry, most notably as the location for Hogwarts in Harry Potter.

The sign at the garden gate reads: "These Plants Can Kill."

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

An iconic waterwheel in the Pennine Hills marks the location of one of Britain’s most profitable lead mines.

Only the headframes remain from this mining operation, once one of the largest in the region.

This magnificent arch is all that remains of a former smelt mill.

This abandoned asylum in Wales might look haunted, but it's still beautiful.

Following years of secrecy, the hidden history of a World War II site is being brought to light.

The medieval network of canals hidden underneath the city is opened to explorers each year.

This bridge is so steep it looks like a rollercoaster.

This Underground station has been a popular filming location for decades, even before it closed.

Tombstones and enigmatic inscriptions hide within a vault beneath a popular London arts venue.

Lord Byron's embalmed body lies within this medieval church.

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

A medieval cave used to shelter local hermits now holds nearly 200 old Quaker gravestones.

A Neolithic tomb hidden among a spectacular boulder-strewn stretch of coast.

This pedestrian walkway cuts through a cemetery and over several burial vaults.

Evans's funeral had one of the largest attendances of any funeral in the history of Wales.