The Cosmopolitan Hotel and Casino Las Vegas, Nevada Records provide materials relating to the hotel's grand opening on December 15, 2010. Included are newspaper clippings, a poster pamphlet, gaming and rewards program information, and photographs of the hotel rooms. Also included is information about the art program, the shops, bars, nightclubs, and convention facilities.

The collection consists of one scrapbook (2008) of postcards and photographs tracing the history of the Las Vegas property upon which the Wynn Las Vegas resort was built and four magazines featuring articles about Las Vegas (1940, 1947, 1955, and 1959). The scrapbook begins with several pages of historic postcards of the hotel originally built on the property, the Desert Inn, and continues with the establishment of the Wynn and the vision of its associated resort, the Encore. While the images primarily focus on the Desert Inn and the Wynn, there are also several pages of images of various other Las Vegas Strip properties accompanied by a brief timeline. The scrapbook contains approximately 76 images, dating from 1950 to 2008.

The Jeju Hyatt Regency Casino Records date to 1985 and contain information about the Korean casino and its operation guidelines for various games, the conduct of their employees, and business reports for the casino. This information is provided in both English and Korean.

The Bob McCaffery Collection on the Save the Hughes Flying Boat Campaign (1980-1983) documents efforts by activists to preserve the plane from destruction and its subsequent acquisition by the Aero Club of Southern California in 1980. The collection contains photographs and newspaper clippings about the Hughes H-4 Hercules flying boat nicknamed the "Spruce Goose" from the 1980s.

Collection is comprised of annual budgets, financial statements, and auditor's reports dating from 1976 to 1989 created for the city of Boulder City, Nevada and adopted by the City Council.

The collection dates from 1920 to 2019 and is primarily comprised of business and organizational records, press, photographs, scrapbooks, audiovisual materials, awards, and ephemera documenting Mark L. Fine’s career as a real estate developer in Southern Nevada and his work with various government and community organizations. The bulk of the material dates from 1980 to 2005.

Collection consists of the 1974 lease agreement between Circus Circus and William Bennet and William Pennington, and a 1981 Desert Inn Country Club 25th Anniversary scrapbook.