As the falls are one of the most spectacular sites on this planet we recommend that you take every advantage of the many activities offered to see these falls. The walkways to the top and bottom of the falls, while lengthy are definitely worth the hike. The jet boats are so exciting that you will feel your heart pound and your adrenaline rise. A helicopter tour over the falls is the best way to get an overall view and appreciate their majesty. Do not forget to enjoy the wildlife and rainforests both in Brazil and Argentina. There are several hiking and kayaking tours through these parks.