This centuries-old canal known as the Cuckoo Dyke has a staircase of locks suitable for a giant.

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

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

Once thought to be the mysterious work of a witchy prophetess, a well with unusual properties turns objects into "stone".

Huge winged monument in the United Kingdom.

A modern English garden of eccentric beasts, follies, and oddities.

The largest oak in England is said to have been the hideout of Robin Hood and his Merry Men.

A 1,215-foot tunnel transports pedestrians beneath the River Thames.

Eighty million natural history specimens call this gargantuan museum home.

Scattered throughout London are ancient remnants of the city's former bounding wall.

This one has sailed five times as far as Sir Francis Drake's famous ship.

Children's hospital in London that operates on royalties received from Peter Pan, which J.M. Barrie signed over in 1929.

The popularity of Sherlock Holmes led to the creation of his fictional address, turning the orderly London street numbers askew.

A naturally mummified 2,000-year-old man.

There's a mini version of Iguazu Falls hidden in the Balkans, and it's got a rope swing.

Bridge that died in war and was resurected.

Inat Kuća, or "House of Spite," is more than just an oddly named restaurant.

The place where World War I began.

Oriental bazaar in the heart of Sarajevo.

This historic timepiece is thought to be the only public clock in the world that keeps lunar time.

A number of craters left by fatal mortar strikes have been filled with red resin to remember those lost during the Siege of Sarajevo.

This historic cemetery was inaccessible for several years due to dozens of land mines.