Small church built in the 19th century for whites and slaves to worship together.

The cell which saved the life of Ludger Sylbaris, "the man who lived through Doomsday."

Millions of glowing microscopic organisms light up the waters of this luminous lagoon.

The Cuban revolutionary looks over the country from its highest peak.

A small museum in the Bay of Pigs gives the Cuban perspective on the famously failed U.S. invasion.

A cemetery full of exquisite statuary, including a monument to a woman some say died of a broken heart.

This imposing memorial contains the remains of Che Guevara — and 29 other guerrillas who died with him in Bolivia.

A focal point of the Cuban government, this city square features one of the most iconic images in the country.

A Cuban artist reclaimed his impoverished neighborhood as a dreamy folk art kingdom.

The remnants of an abandoned, 19th-century gold mill along Aruba's rugged northeastern coast.

A safe place for the wild donkeys of a hot vacation destination.

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

This equestrian statue of Constantine the Great has been the subject of criticism for centuries.

Breathtaking and huge 430 year old maps of Italy.

Hidden beneath the famous St. Peter's Basilica is a veritable city of the dead that may hold the remains of St. Peter himself.

A rocky sea serpent hides caves, blowholes, and a spectacular natural bridge.

This restaurant's specialty is "a major enigma for food historians."

This picturesque horseshoe weir was first built in the 1600s to prevent flooding in the town of Bath.

Eighteenth-century home, where Herschel discovered the planet Uranus.

This massive collection of British military artifacts includes the heartbreaking personal letters of the men in the trenches of WWI.

Thanks to modern navigational tools we now know that the true prime meridian runs through a park next door.

London's smallest police station is barely the size of a phone booth.

The remains of Crystal Palace Great Exhibition of 1851.

Hear the quietest sound from across the dome.