This pump on the bad side of Victorian London betrayed a horrifying revelation about the water supply.

Richard III supposedly disposed of his nephews' bodies here in an effort to seal his claim to the throne.

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

You'd never know the houses at 23-24 Leinster Gardens were fakes—until you see the train tracks on the other side.

Follow the original medieval paths that wind through this intriguing section of the city.

A network of concealed passageways lies within a busy London Underground station.

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

A hidden treasure in London with a rich medieval history, and the resting place of many luminaries.

A collection of comics, graphic novels, animation and caricatures devoted to exploring this often overlooked art form.

A charming 17th-century alley is lined with secondhand bookstores and antiquarian shops.

The only museum in the world dedicated to preserving the life and work of American comedian and entertainer, Phil Silvers.

All that remains of the medieval palace of the famous "Black Prince."

For over 500 years this timbered alms house has provided a home for elderly residents of Coventry.

The Columbia Road Flower Market is now open every Sunday, rain or shine.

It is said the legendary wizard once lived in this sea cave beneath Tintagel Castle.

The highest peak in Wales is said to be the final resting place of a giant killed by King Arthur.

The world's largest prehistoric copper mine had 30,000 animal bones scattered throughout the maze of passageways.

A former fisherman's hut deemed too small for habitation is now a delightful tourist draw.

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

With lush plants and flowers, huge trees, ponds, and hidden monuments, this place feels a bit like discovering Narnia.

Deep in the countryside lie the remains of one of the grandest Roman dwellings in Britain.

The bombed out remains of the old church were kept intact next to the new one, as a reminder of the futility of war.

This innovative steam machine was no doubt the most famous of the pioneer locomotives.

The majority of the museum's large collection is held in a storage space open to the public a few times a year.