2017, the property contains 2,948 parking spaces for the Las Vegas Convention Center. In 2019, work was underway on an expansion of the convention center, to be built on the former sites of the Landmark and the nearby Riviera. The sign was removed from the site and temporarily put into storage by the Neon Museum. The convention center's West Hall expansion opened on the site in June 2021. Architecture The Landmark tower was designed by architects Gerald Moffitt and Ed Hendricks. The uniquely designed Landmark tower was the first of its kind to be built in Nevada; its design was inspired by the Space Needle located in Seattle, Washington. When construction stopped in 1962, the project consisted of of floor space, and included two basements that were 30 feet deep. The tower's height measured 297 feet, while its diameter measured 60 feet. The tower's dome measured 141 feet in diameter. In 1966 – the year that construction resumed – architects George Tate and Thomas Dobrusky were hired to design new portions of the resort, including the ground-floor casino. Height The Landmark tower was billed as having 31 floors, although it skipped floors 13 and 28. The Landmark tower was the tallest building in the state from 1962 to 1969. In 1967, a revolving letter "L" neon sign was installed at the top of the tower. Excluding its rooftop sign, the tower stood , seven feet taller than the Mint hotel in downtown Las Vegas. Conflicting numbers have been given for the tower's total height. According to Scherer, the sign measured , and the tower measured , including the sign. At the time of opening, the Landmark tower was billed as having a height of . By that time, the new 30-story International Hotel had become the tallest building in the state at . When it was demolished, the tower reportedly stood . According to Emporis, the tower stood from the ground to its roof, while the tip raised the height to a total of . Features When the Landmark opened, it had a total of 400 slot machines. The ground-floor casino was , while a second casino, consisting of , was located in the dome on the 29th floor; it was the first high-rise casino in the state. At the time of opening, the ground-floor casino featured red and black colors, while the upper casino used orange coloring and wood.