The sculpture is made of more than 100,000 knives collected to raise awareness about violence.

The longest and tallest aqueduct in Britain can actually be sailed across.

The remains of centuries of copper mining appear like an alien landscape.

Every year locals give the bear a fresh coat of paint to preserve its signature goofy grin.

A brisk climb up this solitary peak leads to the origin story of a towering figure in Irish history.

This short bridge is the only thing connecting a tiny Irish island to the mainland.

The atmospheric road was never meant to be so creepy.

Northern Ireland's Brobdingnagian stepping stones.

The ruins of this medieval castle in Northern Ireland have inspired artists from C.S. Lewis to Led Zeppelin.

This Italian-style temple replica has been threatening to fall off the Irish coast for hundreds of years.

This hidden green space is the city's second largest conservatory.

Shakespeare, David Bowie, Dr. Who, the Saxons, Druids and Romans are all claimed to have all made their mark on these massive man made tunnels.

A tongue-in-cheek arcade where the games are based on everyday life.

This little-known hero has been protecting "The Fens" for close to 400 years, and now from its most powerful challenger yet: climate change.

Thanks to modern navigational tools we now know that the true prime meridian runs through a park next door.

Giant, friendly pelicans in Central London, the most unlikely of places.

England's oldest surviving hedge maze has been confusing visitors for over 300 years.

This massive collection of British military artifacts includes the heartbreaking personal letters of the men in the trenches of WWI.

Repository for more than 22 million pickled specimens.

400-year-old garden, restored to beauty.

The largest greenhouse in the world is home to over one million types of plants.

London's smallest police station is barely the size of a phone booth.

The signs of a long buried road can still be found hidden beneath a London sewer grate.

A student driver's nightmare.