Home to some of the world’s darkest skies, this project blends ancient Māori culture with world-class astro tourism.

A perfect turquoise lake colored with glacier dust.

Three rooms of bones, curios, and one artist's collection of natural artifacts create this intriguing museum.

This ancient structure is widely thought to be the oldest intact pyramid in the world.

Gaudí's famously flamboyant architectural style is on full display in this sprawling park and garden.

A beautiful but toxic fountain of mercury.

The "Prussian Versailles" that is as glorious today as when it was built.

A charmingly old-fashioned reminder of the historic building's former life.

The world's most remote airport.

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

A island reachable by a causeway at low tide is possibly one of the earliest Western European locations to be identified in text.

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

Model Trains and Much More in Hamburg.

This German museum devoted to the simple wonders of salt is actually built over an old saltworks.

The mortal remains of an estimated 70,000 people lie in the basement of a monastery in Lima, Peru.

Built on the remains of one the Incas’ most important gathering spots, this square keeps the spirit of a fallen empire alive.

Situated on a sacred Inca site, this 16th-century cathedral took nearly 100 years to build.

Did Inca children also slide down these smooth rocky slopes above Cusco?

The stones of this Incan wall complex fit together so well you couldn't fit a piece of paper between some of them.

Avoid gangster interaction while window-shopping.

Curious crustaceans support an obelisk from ancient Egypt that now stands in modern-day Central Park.

Wall Street has a new heroine, a bronze statue of a small but fierce girl.

Elevated freight railway turned wildly successful urban park.

A controversial memorial at the place where Captain Cook met his violent end.