Near Birmingham, England three and a half miles of top-secret tunnels housed a World War II “shadow factory” and a Cold War nuclear bunker.

After much poking and prodding, this island is decidedly not a magnetic anomaly, but it sure is pretty.

WWI hospital ship lost in a cyclone turns up on the coast of Fraser Island, where she remains rusted and forgotten.

This trio of Australian rock spires may have inspired aboriginal legend or just modern tourism.

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

The only pollutant in the clear blue water is sunscreen.

A small, but award-winning beach known for its literally spotless reputation.

One of the most enjoyable bits of history at Coney Island and “the most romantic ride in the world.”

The world's only managed flock of mute swans was established as a factory for monk meat but is now an adorable sanctuary.

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

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

Eighty million natural history specimens call this gargantuan museum home.

The largest greenhouse in the world is home to over one million types of plants.

Fascinating town where normal life interfaces with the occult.

A fantastic castle rumored to be the birthplace of King Arthur.

Giant naked man on a hillside.

Malaysian fireflies create a dazzling display as thousands light up in unison.

Holy Hindu shrine in an enormous, monkey-filled limestone cavern.

A sculpture of a giant hand reaches for the stars in the middle of the Atacama desert.

The Uros people live on floating reed islands in lake Titicaca.

A painting in the historic Cathedral Basilica depicts Jesus and his disciples dining on a traditional Peruvian menu.

The intricate stonework of Machu Picchu serves as a testament to Incan engineers.

If you’ve ever seen a picture of Machu Picchu, then you’ve seen a picture of Huayna Picchu—you just didn’t realize it.

A set of ancient drawings in the desert of Peru that are so massive, many of them can only be fully seen from the sky.