Now famous as the "Harry Potter bridge," this impressive concrete viaduct has long been an icon in its own right.

Ancient cliffs resembling a kilt on Scotland's second largest island emit an entrancing sound.

400-year-old garden, restored to beauty.

Hear the quietest sound from across the dome.

The world's first underground farm is in a World War II bomb shelter beneath the streets of London.

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

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

An unusual round church in London with a Templar past.

Northern Ireland's Brobdingnagian stepping stones.

The atmospheric road was never meant to be so creepy.

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

Kings Cross Station pays tribute to its role in Britain's best-selling book series.

One of the few remaining casualties of the London Blitz, this destroyed church has become an enchanting public garden.

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

Beneath Denmark's Højbro bridge, a bronze merman and his seven sons forever mourn for the mother and wife who left them for land.

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

360° views of the city plus five floors of optical illusions and hands-on science.

A 30-acre garden inspired by the principles of modern physics.

These fantastically named natural pools look like something out of a Scottish myth.

This astonishingly geometric cave has inspired everyone from Jules Verne to Pink Floyd.

This park is home to a collection of important industrial and religious sites.

A Neolithic tomb hidden among a spectacular boulder-strewn stretch of coast.

The artist David Nash planted a circle of trees in 1977.

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