The final resting place for the remains of 143 Habsburg royalty.

A medieval bridge stretches over a sulfur-rich river that leads to year-round natural hot springs.

A naturally beautiful, seemingly bottomless deep blue spring.

A full-size replica of this well-preserved temple lets you take a walk through the Mayan age.

Monkeys inhabit the lush forest surrounding ancient Mayan ruins once considered sacred.

The sister plane of the C-123 shot down during the Iran-Contra Affair has found a new purpose in retirement.

Costa Rican accommodation resembles a crash site, but with a nice balcony.

Where dogs like the rare "Fire-Tailed Border Cocker" run free on the mountainside.

Sloth rehabilitation center in the jungle of Costa Rica.

Rumored to be the famed pirate's lookout tower, this historic stone structure is now just watching for tourists.

Uninhabited islet in the Caribbean is the sanctuary of giant lizards.

Rare signs of the former Soviet Union in the Caribbean, though not where you'd expect them.

A gallery of underwater art that can be visited by man and fish alike.

Hundreds of pieces of ancient Taíno art cover the walls of this Caribbean cave system.

Renowned restaurant tucked in a cave once occupied by buccaneers.

Four antique Baldwin trains are kept on display in the Mal Tiempo train depot.

Cuba's historical trains remind natives of their country's sugary sweet past.

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

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

His music once banned in Communist Cuba, John Lennon is now immortalized in bronze by Castro, who considers Lennon a "fellow dreamer."

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.

This huge pile of volcanic boulders hides a stunning network of secret grottoes.

The world’s largest underwater sculpture is found just off the coast of Nassau.