An awe-inspiring mosque in Morocco with one of the tallest minarets in the world.

One of the most spectacular canyons in the world.

World's largest film studio, where visitors tour the decaying sets that litter the harsh desert environment.

A fortified city, home to a remaining population of five families

One of New Zealand’s few castles boasts beautiful gardens, grand architecture, and a history filled with family drama.

Largest Kauri tree in New Zealand.

New Zealand's epic shrine to all things puzzling.

This strange geological landscape erupts with sudden bursts of water.

The glacier tucked within a New Zealand rainforest.

Some of the clearest water anywhere in the world.

A glacier pocked with ice caves and surrounded by rainforests.

A perfect turquoise lake colored with glacier dust.

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.

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

Major tourist destination known for its bubbling mud-pools and hot thermal springs.

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

Nine limestone rock stacks on Australia's "Shipwreck Coast."

Pop culture has helped to keep this iconic British building from being destroyed.

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

This massive collection of British military artifacts includes the heartbreaking personal letters of the men in the trenches of WWI.

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

This ornate Victorian marketplace was the setting for Diagon Alley and the Leaky Cauldron in the first ‘Harry Potter’ film.

The taxidermied remains of a once-great parrot.