The enormous earthwork sculpture honors the ponies that lived and worked in the old colliery.

A wildlife paradise, this island is one of the world’s most important habitats for burrow nesting seabirds.

This lonely cast-iron structure is the only wave-washed lighthouse of its kind left in all of Britain.

The Stonehenge of Wales is one of the grandest neolithic dolmens still in existence.

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

A breathtaking flower tunnel bursts with beautiful golden blossoms.

This well-preserved Cistercian Abbey in a romantic pastoral setting has inspired artists like the poet Wordsworth.

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

A comic book store that puts the marvel back in marvellous.

A giant scrawl on the skyline of south London.

The medieval woodcut-style artwork chronicles life in medieval London.

A domino effect created with Britain’s iconic telephone boxes.

Sculptor Antony Gormley used chaos theory and fractal growth to design his tallest creation.

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

The world's oldest optical museum is an odd collection where the exhibits look at you.

The library houses an incredible collection of some of the world's most impressive books and manuscripts.

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

The cedar tree in Highgate Cemetery earned its title by accident.

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

London's creepiest cemetery was once the site of dueling magicians and mobs of stake-carrying vampire hunters.

A 19th-century funicular railway shuttles visitors up this surprising sea cliff to one of the world's largest camera obscuras.