National monuments are located in 31 states as well as in the District of Columbia, the Virgin Islands, American Samoa, the Minor Outlying Islands, and the Northern Mariana Islands. Arizona, with 18, has the largest number of national monuments, followed by California with 17 and New Mexico with 14. read more
Not only that, but New York City has more landmarks than any other U.S. city (110) and more landmarks within the city limits than 45 of the U.S. States each have on their own. read more