Iguazu Falls are considered one of the 7 Natural Wonders of the world. We were there for 2 days in May 2015, we wish we would have stayed for 2 more. Make sure you visit the Argentine side, which is more interesting to hike; and the Brazilian Side, which is better for pictures.
Taken from the top of the tower on the Brazilian side.
Taken from the walkway leading to viewpoint.
The vapor from the falls creates rainbows.
There are many birds at the falls.
There are dozens of these birds that perch here than fly right through the falls.
There are hundreds of these birds at the falls.
Short video showing the size and power of the falls.