Quite simply the largest tree in the world (by volume).

In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.

The enormous smoke hides within a little known, semi-secret exhibit inside Havana’s Morro Castle Historic Park.

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

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

No one knows the meaning behind this giant sculpture of a nude woman with a fork riding a rooster in Havana.

Once a favorite playground for the world's most illustrious guests, Hotel Nacional's secret weapons and bunkers reveal a more menacing side to its golden history.

Castro's communist ice cream mothership has been serving five-scoop "salads" for over 50 years.

The house that birthed The Old Man and The Sea is now a museum devoted to the old man who wrote it.

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

A colorful narrow alley in Cuba is full of street art and sculptures made of found objects.

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

A detailed pachyderm supports Rome's smallest Egyptian obelisk.

A volcanic old faithful, Stromboli has been erupting continuously for the last 2000 years.

Ancient snack bar of the Roman Empire re-opened.

Erotic art covers the walls of the largest ancient pleasure palace.

Go inside to really appreciate this 500-year-old technological masterpiece.

The once forbidden "secret cabinet" of erotic art from excavations of Pompeii and Herculaneum.

Five candy-colored villages on the Italian Riviera.

The last moments of the ill-fated Pompeiians, frozen forever in plaster.

Pompeii's less famous neighbor is still revealing her secrets.

The yawning maw of this pagan visage is said to bite off the hands of liars.

An Italian crevasse filled with abandoned buildings gives visitors a look at the world without humans.

Its history includes dinosaur fossils, cattle rustlers, Georgia O'Keeffe, and a mythical giant rattlesnake named Vivaron.