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

A monument to Cuffy, a rebellious enslaved person who became a national hero in Guyana.

Though dynamited and defaced, the statue still stands outside the law courts in Georgetown, Guyana.

The end appears to be nigh for the world's fourth-longest floating bridge.

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

Georgetown’s most impressive building is also one of the tallest wooden churches in the world.

The largest market in Guyana, designed and built by the Edge Moor Iron Company of Delaware.

The world's widest single drop waterfall, and the two men who legend says went over its edge in a boat.

An abandoned colonial French prison notorious for its hellish conditions.

The ruins of this Brazilian island prison still bear the scars of the bloody rebellion that closed it down.

One of São Paulo's tight urban intersections has become a haven for graffiti artists ever since a single Batman started the trend.

This spacecraft-shaped water tower is only a part of the mysterious UFO mania in this Brazilian town.

High plateaus and beautiful waterfalls frame this ecologically significant nature preserve.

Try not to get lost in this picturesque Brazilian labyrinth of the dead.

An overlooked collection of over 350,000 artistic works created by psychiatric patients using art therapy.

A 125-meter long "tribute to the Brazilian people."

The remains of a British railway rusting in the jungle mist of a Brazilian mountainside.

Eduardo Kobra’s breathtaking 32,300-square-foot graffiti wall took over Rio’s Olympic Boulevard.

The crypts are so large they're basically their own underground church.

This massive Brazilian church is built like an angular, technicolor pyramid left by Mayans from the future.

An abandoned stretch of elevated road in the middle of the Brazilian jungle.

Beautiful public park off the beaten path and away from tourists.

These mysterious 1,000-year-old walls have revealed little about their past.

In this African village, the walls of the chief's compound are painted with beautiful traditional designs.