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

A church of bones, decorated with 40,000 human skeletons.

The 953 windows undoubtedly make this the world's most beautiful screened porch.

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

Crumbling remnant of Rio's colonial past tucked behind Corcovado mountain in the neighborhood of Cosme Velho.

The largest stone moai on Rapa Nui.

This stunning mass of ice spans 121 square miles and is still growing.

A seemingly endless landscape of pure salt stretches far across Bolivia.

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

An explosion of natural color known as "the river that ran away from paradise."

A beautiful, dense forest in the shadow of Mount Fuji, with a tragic reputation.

This secluded aqua waterfall in the Grand Canyon is the perfect swimming hole, and the Havasupai tribe's fiercely protected natural wonder.

Most-visited and most-photographed slot canyon in the American Southwest.

This skeleton-filled altar piece served as a backdrop to one of the most iconic scenes in "The Sound of Music."

The world's greatest slide descends 18 stories from this looping mountaintop viewing platform.

This abandoned Slovenian military barracks has become a punky-political art squat.

Crammed inside this grounded passenger plane is a bar that was once a Communist hang out and is now a ratty relic.

Artfully arranged bones of 5,800 Austrians.

This museum promotes informed contraception by documenting its often secret past.

A small museum filled with over 1,000 clocks, and one particular clock calibrated to run until the year 9999.

The final resting place for the remains of 143 Habsburg royalty.

A Cuban artist reclaimed his impoverished neighborhood as a dreamy folk art kingdom.

Religious perseverance and cultural coexistence manifest in an architectural gem that multiple wars couldn't topple.

Every equinox this Maya pyramid puts on a spooky ancient light show.