This 1,300 year old monastery built atop a single rock was once only accessible depending on the whims of the tide.

An aluminum skeleton brings Chinese mythology to the French shore.

This submersible road connecting a French island to the mainland is lined with safety towers for when the tide strands travelers.

This crack in France's seaside cliffs once hid a sinister secret.

Beautiful carved tunnels.

A medieval house adorned with enigmatic carvings, including one of a man displaying his masculine attributes.

Brisbane's manmade urban beach has enough water to fill five Olympic-sized swimming pools.

Ha Long Bay's "Cave of Surprises" houses a popular phallic rock formation.

Vietnam's feral abandoned water park offers access to a post-apocalyptic funscape, now with fewer crocodiles.

One of Vietnam's most iconic landmarks was built by Japanese traders and is now in danger of sinking.

This historic observatory contains the world's oldest refracting lens telescope.

Hidden within Sydney’s lush Royal Botanic Garden is a walled cactus rockery and the site of Australia's first zoo.

A self-funded cemetery with a long list of inhabitants.

This historic Melbourne bullet factory is fully encased in a massive glass and steel cone.

Enjoy all the trappings from 1912 aboard this Titanic-themed restaurant.

An obsolete form of timekeeping still marks the hour in this adapted 19th century lighthouse.

This piece of Australian modern art is part joke and part history.

This historic tall ship traveled 1.5 million miles around the globe, and once did duty as the mythical pirate ship in Peter Pan.

Not the result of an accident, hurricane, or aliens, this is an eye-popping tribute to the Melbourne tram.

This classic photo booth was saved from destruction by the local community.

Featuring Torres Strait Islander cuisine and Australia's first indigenous bar.

The city’s oldest gateway to the galaxy lies at the entrance to the Royal Botanical Gardens.

Equipped with thousands of LED lights, this geodesic dome-shaped stadium is an engineering delight.

Home to the oldest operating roller coaster in the Southern Hemisphere.