Loretto Chapel Staircase (New Mexico State) : The unique staircase building without any nails and pillar in the United States
(USKings.us) Loretto Chapel is best known for its "miraculous" spiral staircase, which rises 20 feet (6.1 m) to the choir loft while making two full turns, all without the support of a newel or central pole.
(USKings.us) Park-In Theaters–the term “drive-in” came to be widely used only later–was the brainchild of Richard Hollingshead, a movie fan and a sales manager at his father’s company, Whiz Auto Products, in Camden.
(USKings.us) With glass walls, glass barriers, glass benches, and even glass floors, Seattle’s 56-year-old Space Needle has been given a modern and thrilling upgrade.
(USKings.us) The Smuggler Mine is located on the slopes of Smuggler Mountain, on the north edge of Aspen, Colorado, United States. It is the oldest operating silver mine in the Aspen mining district, and one of the few still operating from Aspen's early boom years. In 1987 it was listed on the National Register of Historic Places.
(USKings.us) American Cookery, by Amelia Simmons, is the first known cookbook written by an American, published in Hartford, Connecticut in 1796.
(USKings.us) The New York Eye and Ear Infirmary of Mount Sinai, located at East 14th Street and Second Avenue in lower Manhattan, New York City, is one of the most prominent otolaryngology and ophthalmology hospitals in the world, providing primary inpatient and outpatient care in those specialties.
(USKings.us) The Boeing Everett Factory, in Everett, Washington, is an airplane assembly building owned by Boeing.
(USKings.us) Port Arthur is a city in Jefferson County within the Beaumont−Port Arthur Metropolitan Statistical Area of the U.S. state of Texas. A small portion extends into Orange County. It is 91 mi (146 km) east of Houston. It is host to the largest oil refinery in the United States (the 600,000 bpd Saudi Aramco - Motiva refinery).
DowDuPont ( Michigan & Delaware State) : The largest chemical company in terms of sales in the United States
(USKings.us) DowDuPont Inc. is an American company formed after the merger of Dow Chemical and DuPont on August 31, 2017. It is the world's largest chemical company in terms of sales.
Liberty University (Virginia State) : The largest private non-profit university in the United States
(USKings.us) Liberty University (LU), also referred to as Liberty, is a private, non-profit Christian research university located in Lynchburg, Virginia, United States.