The unique waterfall in Iceland's south features a backdrop of geometric black lava columns.

An incredible collection of Mesoamerican art assembled by one of Mexico's great artists.

A 16th-century monastery boasts a lush array of plants native to Mexico’s most biodiverse region.

A flooded Mexican cave that hides a river beneath the water.

No telescopes, no power, no gift shop: The Observatory of Chichen Itza, one of the world's oldest observatories, takes astronomy back to basics.

One of the most iconic sculptures in Caracas looks like a large orange ball suspended in the air.

The world's tallest slum.

This former shopping center now acts as the eccentric lair of the Venezuelan secret police and their shadow prison.

This anthropological museum offers a glimpse into the lives of the Indigenous peoples of the Amazon River Basin.

This striking, two-toned confluence of rivers is visible from space.

A beautiful opera house in the heart of Amazonia has recently restarted performances after a 90-year hiatus.

The remains of what was the most important religious complex in coastal Peru for over a millennium.

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

This stone complex marks the urban center of a lost civilization.

These steeply terraced ruins are a stop along the Inca Trail to Machu Picchu.

This archaeological museum in one of Peru’s most intriguing regions exhibits ancient artifacts from the Nazca civilization.

A Christian monastery stands on what was once a holy Incan temple.

Lima’s Museum of Anthropology is lined with thousands of elongated human craniums.

These overlooked ruins give an intimate look at the Inca Empire's urban planning prowess.

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

A set of ancient drawings in the desert of Peru that are so massive, many of them can only be fully seen from the sky.

The mortal remains of an estimated 70,000 people lie in the basement of a monastery in Lima, Peru.

A remote candy-striped mountain in the Peruvian Andes straight out of the pages of Dr. Seuss.

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