The world's most remote airport.

The narrowest house in Buenos Aires is less than 10 feet wide.

These small sculptures pay homage to the lovable star of an iconic Argentine comic strip.

A gateway to a mysterious network of underground tunnels.

The final resting place of the liberator of Argentina is guarded around the clock by two soldiers.

This historic, palatial theater is now one of the world’s most beautiful bookstores.

A 63-foot-tall swinging ball hypnotizes passersby, and proves to any remaining doubters that the Earth is spinning.

This fairytale house on the shore of a Chilean Lake oozes an eclectic mix of Chilote and German Cultural heritage.

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

The inspiration for the Patagonia Clothing logo, Cerro Fitz Roy turns pink at sunrise.

This mosaic-covered bar is brimming with curated curios.

Giant works of art interspersed throughout meadows and woodlands offer a new discovery at every turn.

The Old Courthouse takes visitors on a captivating trip through St. Louis' timeline.

One of the world's earliest skyscrapers.

The oldest university museum west of the Mississippi retains its 19th century feel.

Long the exclusive domain of birds and vagabonds, this little-known Central Park peninsula is open to the public once more.

The only Bahá'í house of worship in North America and one of only a handful worldwide.

One of few surviving standpipe water towers in the U.S.

In the Compton Hill Reservoir Park sits a statue whose lack of clothing caused a scandal for the group that commissioned it.

This historic church with a connection to "Uncle Sam" is now a fraternity house.

This charming colonial alleyway is one of the oldest continuously used residential streets in the U.S.

America's most famous museum of medical oddities is home to the remains of Albert Einstein's brain.

The eccentric and colorful pavilions of Tower Grove park are a beloved and overlooked symbol. 

A chessmaster's dream destination.