Grand Canyon
http://upload.wikimedia.org/wikipedia/commons/3/3c/Grand_Canyon_-_Hopi_Point.JPG
The Grand Canyon is considered one of the seven wonders of the natural world. The canyon is full of steep, unique cliffs. The Colorado River runs through the Grand Canyon. The rock found at the bottom of the canyon is about two billion years old. Rafting, hiking, sightseeing, and camping are popular to do at the Grand Canyon.
Las Vegas Strip
http://upload.wikimedia.org/wikipedia/commons/1/1b/1_Las_vegas_strip.jpg
The Las Vegas Strip has many large hotels, casinos, and resorts. The Las Vegas Strip is a stretch of boulevard South. The Las Vegas Strip is located in Clark County, Nevada. Las Vegas receives about 40 million visitors a year.
Hoover Dam
http://upload.wikimedia.org/wikipedia/commons/b/b2/Hoover_dam_from_air.jpg
The Hoover Dam Runs through the black canyon of Colorado. It was built to control floods, provide irrigation water, and produce hydro electric power.