In 1999, Nevada casinos generated a gross gaming revenue of $9 billion. Clark County (Las Vegas) accounted for 7.2 billion of the statewide total.

The Brooklyn Bridge at the New York-New York Hotel & Casino is one-fifth the size of the original. The actual Brooklyn Bridge took nearly 16 years to build and spans 1,595 feet. The one at the New York-New York Hotel took just four months to build.

Slot machines were initially installed in Las Vegas casinos to entertain the wives and girlfriends of "high rollers" who were busy at the tables. Slot machines currently account for about 60% of a casino's take.

Las Vegas telephone officials admitted that from 1961 to 1963, they had leased 25 lines to the FBI. These lines were used to connect the local FBI office to listening devices concealed in various Vegas hotels including The Desert Inn, The Stardust, The Fremont, The Sands, The Dunes and The Riviera.

Infamous mobster Bugsy Siegel's casino "The Flamingo" was the first official "carpet joint" on the strip. The hotel's name was inspired by the long legs of his sweetheart, showgirl Virginia Hill.

The Pair-O-Dice Club opened In 1931, making it the first casino on Highway 91. This Nevada highway would later become the world-famous "Strip".

Built in 1955, The Riviera was the first high-rise hotel on the Las Vegas Strip.

The first major resort built on the Las Vegas Strip was the El Rancho in 1947. It had 63 rooms.

The Stardust was the first hotel to add a sports book to its casino.

The first place Frank Sinatra played in Las Vegas was the Desert Inn.

The MGM Grand, with more than 5,000 rooms, is one of the world's largest hotel/casinos. It would take 13 years and eight months for someone to spend one night in every room. The western wing of the MGM Grand is actually the old Marina Hotel and Casino. Instead of tearing it down, the Marina was renovated and connected with the new section of the hotel.

Built in 1933, the Hoover Dam is the largest single public works project in the history of the United States. The dam itself contains enough concrete to pave a two-lane highway all the way from San Francisco to New York (3.25 million cubic yards ). The "Hard Hat" was invented specifically to protect construction workers building the Hoover Dam.

Since Clark County was founded in 1909, more than 3 million couples have been married here. On average, 150 couples get married in Las Vegas each day.

Opening in 1959, Follies Bergere at the Tropicana Hotel and Casino is the longest running show in Las Vegas.

More than 15,000 miles of neon tubing is used to light up the Strip and downtown Las Vegas.

Built in 1906, The Golden Gate hotel and casino is the oldest hotel in Las Vegas.

Howard Hughes was a guest at the Desert Inn for so long, that when the owners asked him to leave, he offered to buy the hotel. The owners agreed. By the time he died in 1976, the world's most famous recluse owned a considerable chunk of Sin City including: Castaways, The Desert Inn, Frontier, Harold's, Club Landmark, The Sands, and The Silver Slipper.

In 1960, there were 16,067 slots in Nevada. In 1999, Nevada had 205,726 slot machines. That's one machine for every 10 residents.

The largest legal bet ever placed on the Superbowl was made in 1991 by Bob Stupak at Little Caesar's Gambling Casino ($1,000,000).