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

A replica of a famous Greek statue adorns the front of the unusual home of architect and alchemist Humberto Pittamiglio.

This wonderful rock formation constitutes the first geopark in Uruguay.

This small island off the coast of Uruguay hosts the largest colony of sea lions and fur seals in the southern hemisphere.

The oldest café in Montevideo preserves its history as the city's bohemian hub.

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

Among fossils of creatures long since cast into oblivion, a once-single frog perseveres for his species.

A giant, bloody battle rages throughout the Bolivian Andes each year.

This gorgeous, colorful 18th-century church is part of one of Bolivia's few surviving Jesuit missions.

Thousands of fossilized footprints speckle this Bolivian national park.

Museum dedicated to the sacred leaf of the Andes.

An ancient Incan convent on Lake Titicaca's Island of the Moon.

Mysterious Incan ruins on a tiny island in Lake Titicaca.

This lake’s emerald green waters are a spectacular sight, but it’s not a great place for a swim.

Astronomical observatory above Lake Titicaca.

Largest site of dinosaur footprints ever found includes more than 5,000 tracks.

This red lake 4,000 meters above sea level is home to rare flamingos.

A valley of unique erosion patterns lends to a view like nothing on Earth.

The world’s highest ski resort was deserted after an 18,000-year-old glacier melted away.

A seemingly endless landscape of pure salt stretches far across Bolivia.

On one of the world's most active volcanoes, a pebble-filled crater changes color with the wind.

Réunion Island's highest point is a 2 million-year-old volcano and a paraglider's paradise.

At the center of an island in the middle of the Indian Ocean is a deep chasm ringed by tall waterfalls.

Giant disc-shaped gate took 20 men to close off this city in Madagascar.