A no-frills, DIY nature preserve manned by a U.S. expat who has dedicated his life to turtle conservation.

Right angles in the forests of Panama.

An important Mayan religious and trading center dating back to 200 BC.

These enigmatic ruins continue to vex archaeologists.

A natural swimming hole that was once a ceremonial center for Mayan priests.

A devastated ruin in the south of Belize where British explorers claimed to unearth the Mitchell-Hedges Crystal Skull.

This portion of a lovely Belize beach is infested with (harmless) sharks and rays.

Sparkling, calcite-covered skeletons of children who may have been sacrificed to appease an angry god.

A massive underwater sinkhole made famous by Jacques Cousteau.

Balanced rock sculptures pay tribute to a murdered conservationist and his pioneer wife.

There is a small island in the Gulf of Nicoya where the only human inhabitants are dead.

This abandoned hospital is one of the most haunted places in Costa Rica.

Once the foundation for a mansion, these ruins now offer amazing panoramic coastal views.

One Costa Rican island is so beset by illegal shark poachers that the local rangers have built an entire bridge with their confiscated gear .

A secret climbing tree hides along the side of a Costa Rican road.

These mysterious ancient stone spheres were created by a civilization lost to time and are now mostly lawn ornaments.

This Costa Rican topiary park is a surreal garden of unearthly delights.

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

This neon blue river gets its color from a unique mix of bacteria and volcano minerals.

Sloth rehabilitation center in the jungle of Costa Rica.

A legendary tree towers within its own vibrant sanctuary.

Military artifacts from the Salvadoran Civil War are displayed in this small but notable museum.

A Mayan village preserved for centuries in volcanic ash.

Hidden in the highlands of Guatemala, a small shrine venerates a forbidden folk saint.