Bellagio Fountains
"Inspired by the Lake Como resort of Bellagio in Italy, Bellagio is famed for its elegance. One of its most notable features is an 8 ac.. artificial lake between the building and the Strip. The fountain shows on the lake are a major free attraction."
http://en.wikipedia.org/wiki/Bellagio_(hotel_and_casino)Red Rock Canyon
"Red Rock Canyon National Conservation Area in Nevada is a 198,000 acre area managed by the Bureau of Land Management, and protected as a National Conservation Area. It is located about 12 mi (20 km) west of Las Vegas, and easily seen from the Las Vegas Strip. The area is visited by over 1 million visitors each year."
http://en.wikipedia.org/wiki/Red_Rock_Canyon_National_Conservation_AreaSecret Garden and Dolphin Habitat
"An exotic, enchanting and wondrous world full of adventure lies before you. The rare and exquisite animals enjoy relaxing in their tropical environment, painstakingly modeled after their natural habitats."
http://www.mirage.com/attractions/attractions_dolphins.aspxHoover Dam
"The dam, located 48 km (30 miles) southeast of Las Vegas, is named after Herbert Hoover, who played an instrumental role in its construction, first as Secretary of Commerce and then later as President of the United States. Construction began in 1931 and was completed in 1936, over two years ahead of schedule."
http://en.wikipedia.org/wiki/Hoover_DamGondola Rides at the Venetian
"In addition to the lake in front of the casino, canals on the second floor of building, in the shopping mall, are used to provide motorized gondola rides."
http://en.wikipedia.org/wiki/The_VenetianShark Reef at Mandalay Bay
"The Shark Reef at Mandalay Bay is a public aquarium located at and owned by the Mandalay Bay Resort and Casino in Las Vegas, Nevada. Its main tank is 1.3 million gallons (4.9 million liters), the third largest in North America.[1] The facility is 95,000 square feet (8,800 square meters), and displays 1,200 different species of sharks, rays, fish, reptiles, and marine invertebrates."
http://en.wikipedia.org/wiki/Shark_Reef_at_Mandalay_BayLake Mead National Recreation Area
"Three of America's four desert ecosystems the Mojave desert, the Great Basin desert, and the Sonoran Desert meet in Lake Mead NRA. As a result, this seemingly barren area contains a surprising variety of plants and animals, some of which may be found nowhere else in the world."
http://en.wikipedia.org/wiki/Lake_Mead_National_Recreation_Area