Visit a lost city in Colombia. Explore private Gardens in Cuba. Hike to a rainforest for Hummingbird and orchid discoveries in the Caribbean. Walk through a cave in Cuba and visit a tobacco farm. Hike to the top of the Andes and live with hummingbirds. Paddle the Amazon with pink dolphins and giant lily pads. Ride a tram for mountain top views in Colombia. See the solar eclipse in Argentina.