This elaborate temple was built around one of the Buddha's teeth.

A hidden treasure of an abandoned city lies deep in the jungles of Campeche, Mexico.

An unusual and beautiful form of mass transit serves the city's steepest neighborhoods.

The caldera of this mini-volcano has been turned into a naturally heated mud bath.

Hidden amid the tropical forest in the Caribbean Sea are the decaying ruins of the Cocaine King's luxurious island party home.

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

Disused penal colony features prisoner artwork, some sketched in human blood.

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

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

Only gap in the 30,000-mile span of roads called the Pan-American Highway.

Right angles in the forests of Panama.

A huge, bustling local market in Panama City.

A mysterious dark-skinned Christ statue has been this town's religious center for centuries.

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

The floor of the oldest surviving synagogue in the Americas is entirely covered in sand.

This tiny tropical village was sick of anonymity so the locals made this sign, which actually changed the name of the town.

Shipwrecks, ruins, and turtles are all that remain on this haunting Caribbean ghost island.