This abandoned hospital is one of the most haunted places in Costa Rica.

Costa Rican accommodation resembles a crash site, but with a nice balcony.

This neon blue river gets its color from a unique mix of bacteria and volcano minerals.

Sloth rehabilitation center in the jungle of Costa Rica.

A giant red chair bolted to a rock on a remote mossy hillside in Iceland.

An Inca spa, military outpost or maybe… both?

The mysterious "Candelabra of the Andes" could represent anything from a god's trident to a hallucinogenic plant.

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

Preserved Inca city and site of the last Inca stronghold against the Spanish conquistadors.

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

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.

This metal tower in the desert provides views of a handful of Nazca geoglyphs.