The ruins of a defunct limestone quarry still haunt this Scottish promontory.

England's "pier at the end of the universe" unites astronomy and contemporary architecture.

Also known as "Robin Hood's tree," this tree became a famed location along Hadrian's Wall before it was cut down in an act of vandalism.

The excellent acoustics of this natural amphitheater made it a popular preaching spot for the founder of the Methodist Church.

Quaint, disturbing, and macabre objects are all on display at this intriguing collection of medical instruments from bygone eras.

The British monarchy's stamp collection is one of the most impressive in all of Europe revealing generations of royal nerdery.

This abandoned gun tower was built to defend the River Thames from a French naval attack.

The wreckage of an old coastal trading vessel is only visible at low tide.

Beasts and branches swirl in sandstone carvings, interrupted by one strange creature.

A rocky sea serpent hides caves, blowholes, and a spectacular natural bridge.

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

The largest of London's subterranean rivers and once a mad, bad center of London life.

The hidden "ballroom" under a mansion lake was built by a criminal who ate a cyanide pill during his trial.

Famously misunderstood wonder of the ancient world

The atmospheric road was never meant to be so creepy.

Northern Ireland's Brobdingnagian stepping stones.

Several plaster noses are hidden in plain sight around London's Soho neighborhood.

Spend the night in this formerly abandoned traditional Scottish village.

One of the oldest scientific gardens in Britain, containing more than 13,302 plant species in its core collection.

An ancient Scottish rock formation said to be the gravesite of a giant remains ensconced in legend and intrigue.

This tangled English forest looks like something right out of a fairytale.

The gloomy ruins that inspired Bram Stoker to bring Dracula to life.

Following the trail of an old metro line, this scenic path is haunted by a creepy spriggan statue.

The last inhabitants of one of the U.K.'s most remote islands were evacuated in 1930.