Historic fortifications form the boundary of Vatican City, but it’s not entirely surrounded by walls.

Breathtaking and huge 430 year old maps of Italy.

An abandoned colonial French prison notorious for its hellish conditions.

An old Dutch lightvessel is now stuck in a dock near the mouth of the Suriname River.

This "witch's market" is filled with Amazonian herbs, remedies, and the occasional libido-strengthening tincture.

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

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

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

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

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

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

One of the last members of the Byzantine Empire's last ruling dynasty is buried in the far-off soil of Barbados.

This popular tourist cave was ignored for almost 200 years before being mined into an attraction.

An abandoned lighthouse located on the cliffs of Barbados.

The site where a plot to assassinate Hitler was planned—and its conspirators were executed—is now a powerful memorial to the German resistance during World War II.

Tiny memorials honor individual victims of the Holocaust.

The world's first motorway was used as a racetrack until the late 1990s.

Celebrating the works of a beloved Italian actor, known for such cult films as 'They Call Me Trinity' and 'Watch Out, We’re Mad!'

A socialist building dedicated to teachers showcases one of the largest Soviet mosaics in the world.

Once a slice of Cold War-era military history, this museum is finding its future in the stars.

The southernmost postal office in South America.

A chessmaster's dream destination.

What was meant to be a temporary exhibit is now a permanent fixture at the St. Louis Zoo filled with beautiful birds.

This is not your typical jungle gym.