This strange geological landscape erupts with sudden bursts of water.

The glacier tucked within a New Zealand rainforest.

The most southerly spot on New Zealand's South Island is home to surreally shaped, permanently mangled trees.

A Maori village obliterated by an 1886 volcanic eruption.

A glacier pocked with ice caves and surrounded by rainforests.

This electric green sulphur lake in New Zealand looks like a cartoonish radioactive dump site.

A solitary tree has grown up all alone on Lake Wānaka, backdropped by the beautiful Southern Alps.

Dolphins, ancient clams and hundreds of waterfalls make this one of the world's top tourist destinations.

Tubing through a cave lit with glowworms is a magical underground experience.

These mysterious Viking chess pieces spent centuries hidden on a remote Scottish island.

The "lost friend” is the most famous of the six moai statues that were removed from Easter Island.

Historic church where a number of Shakespeare's actors are buried.

A statue of the legendary Celtic warrior queen who fought the Roman invaders stands in one of the cities she once destroyed.

The watery entrance for condemned prisoners heading to the Tower of London is still visible along the Thames.

Spitalfields' regal market goat is said to be a monument to the area's migrant population but most are pretty sure it's just a goat.

This 1920s Dutch barge is now a floating bookstore.

Six ravens are kept captive (but well-fed) at the Tower of London to prevent the fall of the Crown.

A community of artists and entrepreneurs seeks a simpler life on London's waterways.

London's last remaining public soapbox site has seen speeches from Karl Marx, Vladmir Lenin, and George Orwell.

Hear the quietest sound from across the dome.

One part local history, 99 parts gruesome haunted house.

The perfectly preserved underground rooms where Churchill plotted the war against Germany.

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

The celebrated eyesore created by starry-eyed sweethearts.