Costa Rica

Peter O'Dowd / Fronteras

Fronteras: A group of powerful investors is trying to build the medical tourism industry in Nicaragua. We also stop in Costa Rica to check out what it takes to retire in the tropics. One community in Hidalgo, Mexico is combating the migration of its residents to the U.S. by offering tours of what it's like to cross the border illegally. The tour guides have made the real trek, and offer up a close simulation on a fake border.