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

A 142-foot-tall Q-tip on Bristol's skyline.

A plaque claims this artwork outside a children's hospital was used in the 1998 Quidditch World Cup.

A winding cave grotto walkway built to provide employment for veterans after World War I.

The home of an eccentric Edwardian gentleman is packed to the rafters with handcrafted items collected over a lifetime.

17th-century merchants in Bristol nailed their deals by placing money on these pedestals.

World's largest working waterwheel has been around for over 150 years.

An avant-garde artist is survived by his seaside garden.

A red-brick beacon stands against the tempestuous Atlantic, on the windiest site in the United Kingdom.

A whimsical cottage from the 1300s with a preserved Victorian-era post office inside.

The 5,000-year-old megalith is believed to be Scotland's tallest standing stone.

The only medieval bridge in Britain with its defensive tower still in tact.

These mysterious Viking chess pieces spent centuries hidden on a remote Scottish island.

You can crawl inside this atmospheric 5,000-year-old tomb.

This tiny 1930s Art Deco airport is a beautiful remnant of a bygone era.

This beach runway is off limits during high tide.

This picturesque horseshoe weir was first built in the 1600s to prevent flooding in the town of Bath.

Abandoned boats decaying in the largest ship graveyard in mainland Britain.

This Shetland Islands bus shelter may be small, but it squeezes in a couch, a desk, some art, and even an old telly.

Asthmatic Charles Hyett's son built a fantastical garden for his father to convalesce in, alas it was too late.

This early version of the guillotine was used to execute the man responsible for its construction.

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

The taxidermy remains of the first mammal ever cloned from an adult cell are on display in Edinburgh.

A open air theatre built on a cliff by an eccentric British woman.