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.

Huge stone depressions which may have acted as an Incan agricultural experiment.

An unexpected desert oasis in South America.

An Inca spa, military outpost or maybe… both?

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

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

The Uros people live on floating reed islands in lake Titicaca.

Lonely industrial sculptures in South Australia created by a mechanic turned artist.

This area was created to save the region's koala population.

Located on top of mines that run through Broken Hill.

Three-story concrete ram with a permanent gift shop.

The sand is such a bright white that on sunny days you practically need sunglasses to look at the ground.

The world's first cageless zoo is working to save endangered Tasmanian devils.

A massive concentration of algae is responsible for this lake's pink hue.

One of the few places in the world home to living stromatolites.

A conservation sanctuary for rescued koalas, some of which were saved from devastating Australian bushfires.

Critics argue this boab tree has been mislabeled for the sake of dark tourism, undermining its spiritual significance.

Twelve sculptures designed to make their best showing with the coming or going of the sun.

A historic hotel on the edge of the Australian outback.

An Australian lake whose pink hue defies scientific explanation.

A massive stairway that almost wasn't leads to one of Australia's most scenic vistas.

A sparkling sandstone cliffside that's worth a visit while it still exists.

A clear example of the process of erosion in action.