Cockatoo Island is a Heritage-listed island in the middle of Sydney Harbour.

This historic Australian bridge was built by convicts with giant stone spikes to prevent cattle from falling off the sides.

One of the best beaches in the entire world.

A natural rock bridge towers above the sea.

Relics of Australia's convict past, and a modern scene of unimaginable horror.

Balconies that have a most unusual accent.

When this 160-year-old church was being built, a stonemason included a hidden homage to his late daughter.

17th century streets hidden under Edinburgh were once a breeding ground for the black death.

A short but powerful waterfall resides amid Colorado’s Great Sand Dunes.

A museum dedicated to the history and exploration of both popular music and science fiction.

The highest point in Washington state is a volcano covered in glaciers.

Though strikingly beautiful, Seattle's other railway station is now largely forgotten.

From a neon Rapunzel to a bike traffic meter to a street fair color scheme, the most opened drawbridge in the US is a veritable art gallery.

Pause for an afternoon fika with sublime Scandinavian cakes and pastries.

Granting the right of way to ships over surface traffic since 1917.

A young botanist's horticultural vision realized through a lifetime of planting, tending, and collecting seeds.

Allowing humans and fish alike to migrate from freshwater to saltwater and back again.

This Puget Sound military post has a long, turbulent history as a gateway to the Pacific.

This imposing memorial contains the remains of Che Guevara — and 29 other guerrillas who died with him in Bolivia.

An old slave lookout in Cuba's historic sugar cane fields.

A small museum in the Bay of Pigs gives the Cuban perspective on the famously failed U.S. invasion.

A focal point of the Cuban government, this city square features one of the most iconic images in the country.

After the Cuban Revolution, the famous rum company had to leave their swanky headquarters behind.

No one knows the meaning behind this giant sculpture of a nude woman with a fork riding a rooster in Havana.