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

Death road of Bolivia.

Astronomical observatory above Lake Titicaca.

Mysterious Incan ruins on a tiny island in Lake Titicaca.

An abandoned Incan construction project left behind a mysterious "doorway."

The 19th-century vessel floats proudly on Lake Titicaca, but its journey from Britain to the Peruvian altiplano was far from smooth sailing.

These ruined Incan mausoleum towers still bear carvings of sacred animals on their blocks.

On this tiny spot of land in the middle of Lake Titicaca the only ones who do the knitting are the men.

Only gap in the 30,000-mile span of roads called the Pan-American Highway.

A brick arch is all that remains of this Dutch fort, once a focal point for colonial power struggles in Guyana.

A nesting ground for four of the world’s seven marine turtle species, most of which are endangered.

An abandoned colonial French prison notorious for its hellish conditions.

Modern pyramids built to channel positive energy have also fomented local tales of animal sacrifice.