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

This trio of Dominican cave lakes comprise a colorful biosphere of natural life.

A violent name for a violent volcano.

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.

A stone circle on the slopes of a Caribbean volcano commemorates the leader of an anti-slavery uprising.

At first glance, little checkered structures on the hillside look like they house the living, not the dead.

You may get stranded and everyone's peeing in the water, but at least there's cocktails!

The legend associated with these ruins understates the splendor of the mansion that once stood here.

A macabre sculpture museum in the capital of Haiti fuses human bones with broken metal to create challenging contemporary art.

The royal seat of Henri Christophe, a formerly enslaved man who became Haiti's only king.

This iconic fortress was once the crown jewel of Haiti's national defense.

Thousands of Haitians travel to the waterfalls to ask the Virgin Mary of Mount Carmel and her voodoo counterpart Erzulie for healing in a yearly pilgrimage.

Legend says those who drink from this trickle of water are destined to return to Montserrat.

George Martin's Caribbean recording studio now rots within the shadow of an active volcano.

The world's second largest single-dish radio telescope, once used to contact E.T.

This community-driven organization uses education and eco-friendly technology to protect the environment.

The ruins of the first Spanish settlement in Puerto Rico.

Invading U.S. troops were first seen from this now-abandoned tower, leading to the Spanish-American War.

The crumbling remnants of this 19th-century quarantine hospital hint at the touristy island's darker past.

This nearly abandoned "company town" is a ghost of Puerto Rico's once-lucrative sugar industry.

The abandoned remains of this once-thriving hotel looms over the city, awaiting an uncertain future.

Legend has it this historic port was a popular hideout and smuggling spot for pirates.

Legend tells how a Spanish soldier disappeared from this isolated sentry box without a trace.