An Aztec temple, the largest man-made pyramid in the world, sits buried in earth with a Spanish church set on top.

This 170-year-old Swiss guesthouse built into the side of a mountain is best accessed by a cable car.

Built to replace a house destroyed by a hurricane, this home is made entirely of shipping containers.

The oldest candy store in the world has been selling traditional sweets since 1827.

Once part of a dam servicing an early 19th century grist mill, the tucked-way falls are a tricky-to-find urban oasis.

An early Korean refrigerator.

This house proudly displays an interactive and continuously changing exhibit of lawn flamingos.

These small, triangular, colorful houses are a staple of Madeira Island.

High atop the Eiffel Tower is a small apartment built exclusively to entertain the science elite and make the rest of Paris jealous.

A sprawling Baroque park with 300-year-old hydro-pneumatic waterworks.

The Arctic Archipelago is home to world's largest third order island: an island in a lake on an island in a lake on an island.

According to a local legend, this bridge was constructed by an astrologer with the help of the devil.

A historic observatory precariously perched at the "Top of Europe."

This amazing medieval fortress stands atop a promontory along the famous Cinque Terre.

One of the only places where Earth’s mantle lies above water.

A palatial art deco restroom.

The fanciest public restroom in New York City boasts fresh flowers, art, and a classical music soundtrack.

A public urinal so pretty, it was declared a national monument.

Norway has built what may be the world's most beautiful public toilet.

Led Zeppelin wrote some of their most iconic songs at this little 18th-century Welsh cottage.

One of the most remote spots in America and the first protected wilderness area in Nevada, named after an old legend.

Spend the night in this formerly abandoned traditional Scottish village.

Once connected to the outside world by a single train track, this ghost town is looked after by the National Park Service.

This astonishingly geometric cave has inspired everyone from Jules Verne to Pink Floyd.