If you are looking for a breathtaking natural wonder, Iguaçu National Park in Brazil is the place to go. Here you can witness the awe-inspiring Iguaçu Falls, the largest waterfall system in the world, where millions of liters of water plunge over the edge every second. You can explore the park's trails, bridges, and viewpoints, and marvel at the diverse flora and fauna of the Atlantic Forest, a biodiversity hotspot. You can also cross the border to Argentina and visit the sister park Iguazú, where you can get closer to the falls and enjoy different perspectives. Iguaçu National Park is a must-see destination for nature lovers and adventurers.