Elaborately carved to showcase the glorious wealth that the age of exploration brought to the Portuguese empire.

This unreal Portuguese palace looks as though it's made from a pile of different castles.

Eat the ultimate iteration of Portugal's most beloved pastry.

The statue of John Harvard isn't actually John Harvard—or even, technically, the founder of the school.

The headquarters of one of the world’s longest-running humor magazines bears a noticeable resemblance to a head wearing a Prussian helmet.

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

This geometric feat is a testament to the Incas' mesmerizing architectural abilities.

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?

An Inca spa, military outpost or maybe… both?

A fascinating little museum all about the rich history of Peru’s famous plant.

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

Death rituals and sacrifice inside a Peruvian megalith.

These former theme park figures have a new lease on life outside a water plant-turned-restaurant.

This historic address is home to the beloved ball and is an almost totally empty building among the most expensive real estate in the world.

This subterranean oyster house has been the pearl of Grand Central Station since 1913.

A dark patch of the ceiling at Grand Central Terminal which was not restored is still stained brown by tobacco.

A mysterious stone embedded at the base of a historic Boston building.

This chapel on a cliff is renowned for its healing powers and was founded on the site of a supposed divine intervention.

This colorful gate stands as an entrance to the walled city of Old San Juan.

The crumbling remnants of this 19th-century quarantine hospital hint at the touristy island's darker past.

This small fort played a huge role defending Puerto Rico’s capital city.

This tiny home was originally a narrow alleyway.

The bat-covered home of one of the world's most popular brands of rum is located on a tropical Art Deco campus.