Iguazu Falls (Iguassu or Iguacu) are the biggest waterfalls in the world. Iguazu falls consist of 275 separate falls and is actually bigger than Niagara Falls. It's located on the Border of Paraguay, Argentina and Brazil. (Photo by David Rochas).
Walk the jungle tree tops in Costa Rica. Arenal Hanging Bridges, Costa Rica - A three kilometer hike through the Costa Rican rain forest. There are six suspension bridges, with the largest one at just under 100 meters long and 45 meters off the ground.