This water wheel turned to stone in a matter of decades.

This ancient limestone cave system contains many impressive geological features.

Incredible rock formations jut from the southern end of this spectacular stingray-viewing spot.

The longest timber-piled jetty in the world has an underwater observatory.

An impressive site containing some of the earth’s rarest living fossils.

An abandoned marine theme park has created a difficult experiment in dolphin rewilding.

One of the few places in the world home to living stromatolites.

Alien rock formations grown from the sands of an Australian national park.

This public art is inspired by a local Aboriginal creation story.

A 19th-century church in South Mumbai built to commemorate those who died in the First Anglo-Afghan War and the retreat from Kabul in 1842.

This precariously balanced boulder is said to be a hunk of stolen butter dropped by the gods.

Picnic on the seashore in the footsteps of ancient kings, protected by giant mythical cat beasts.

This experimental utopian "city of the future" in rural India may hold a dark secret.

This historic square in Nepal is home to temples dating back to the third century.

This legendary clock tower has dominated Kathmandu’s skyline since it was built in 1894.

Designed to honor the birthplace of Buddha.

Temples adorned with intricate, erotic sculptures make up one of the "seven wonders" of India.

The tallest statue in the world is twice the height of the Statue of Liberty.

This magnificent stepwell is designed as an inverted temple and adorned with 1,500 sculptures.

An architectural marvel that combines Gothic architecture with Indian elements.

Mumbai's angel.

These animal carvings stand as representations of India and Britain.

A sealed test tube said to hold Thomas Edison's dying breath was given to the inventor's friend and mentee, Henry Ford.

The only surviving prototype for Buckminster Fuller's house of the future.