Antarctica's bustling metropolis, originally established by Richard E. Byrd.

Natural time capsule containing an alien ecosystem.

A monument to the conquistador became increasingly controversial in the very city that he founded.

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

An Inca spa, military outpost or maybe… both?

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

Visiting dignitaries and Hollywood stars once stayed at this 1920s hotel, alongside ghosts that are said to haunt its corridors.

Now containing the bones of the actual conquistador, instead of someone else.

A painting in the historic Cathedral Basilica depicts Jesus and his disciples dining on a traditional Peruvian menu.

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.

If you’ve ever seen a picture of Machu Picchu, then you’ve seen a picture of Huayna Picchu—you just didn’t realize it.

A market for witches is hidden within a train station.

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

Constructed on the ruins of a convent, this tower saved countless lives.

This historic stadium was built to host the first-ever FIFA World Cup.

This historic fort overlooks Montevideo and appears on Uruguay’s coat of arms.

Where sweethearts leave their love locks in the Uruguayan capital.

This beautiful example of neoclassical architecture is one of Uruguay's most treasured cultural gems.

Abandoned bull fighting ring, slowly falling apart in Uruguay.

The design of the Palacio Salvo has been described as "a lighthouse on top of a building."

Metro station with a claim to rock n' roll fame.

The largest brick bridge in the world.

A collection of artworks exclusively created by the mentally ill that was almost burned by Nazi culture police.