The next-door homes of two very different musicians, George Frideric Handel and Jimi Hendrix.

Accessible only at low tide, the deserted island is dotted with World War II ruins.

Tiny effigies of the victims of Edinburgh's famous Anatomy Murders.

This observatory within Europe's first dark sky park offers stunning views of the night sky.

Locals affectionately dubbed this World War I memorial "Tommy."

These giant sculptures are supported by a bizarre menagerie of feet.

Colorful murals by Jean Cocteau hide within this peaceful London sanctuary.

The townhouse where the English poet created some of his most influential work has been preserved in tribute.

Never actually a tree at all, this spot was the site of London's public hangings for nearly 600 years.

The monster at the center of the Darwin Center Spirit Collection.

Winding paths and ramshackle mausoleums in the oldest "park cemetery" in London.

Rare remnants of the brick-domed ovens birthed in the Durham coalfield during the Industrial Revolution.

France's national museum of scientific and industrial instruments.

The first green space constructed on an elevated viaduct.

One of the last umbrella repair shops in Paris upholds the nostalgic art of umbrella making.

Hidden in a Scotland museum is a copse of extinct tree stumps.

This charming cobbled backstreet is the most Instagramable street in Paris, much to the residents' annoyance.

Indents in the pavement are all that remain from a grisly death machine in Paris.

A French artist's vague warning hangs over Belleville.

An ancient holy well said to be used by the patron saint of sailors and travelers, lost in the boggy west of Valentia Island.

A town church once nearly submerged by the damming of a river is now hauntingly visible as the water recedes.

This one-time health resort was used by aristocrats around the world.

Perfectly preserved ancient monastery in an impossibly dramatic location on a rocky island in the Atlantic.

The elegant structure of this 19th century railroad bridge creates an illusion of infinity.