Grand Canyon is a steep canyon, which is produced by scraping colorado river, in northern Arizona. Grand Canyon is one of the seven wonders of the world and most are in Grand Canyon National Park, one of the first national parks in the United States.
The Blue Lagoon geothermal spa is one of the most visited attractions in Iceland. The steamy waters are part of a lava formation. The spa is located in a lava field in Grindavík on the Reykjanes Peninsula, southwestern Iceland.