<P> The Euclid case was a facial challenge, meaning that the entire scheme of regulation was argued to be unconstitutional under any set of circumstances . The United States Supreme Court justified the ordinance saying that a community may enact reasonable laws to keep the pig out of the parlor, even if pigs may not be prohibited from the entire community . </P> <P> Since the Euclid case, there have been no more facial challenges to the general scheme . By the late 1920s most of the nation had developed a set of zoning regulations . </P> <P> Houston remains an exception within the United States because it never adopted a zoning ordinance . However, strong support existed for zoning in Houston among elements within municipal government and among the city's elites during the 1920s . In 1924, Mayor Oscar Holcombe, appointed the first funded City Planning Commission . City Council voted in favor of hiring S. Herbert Hare of Hare and Hare as a planning consultant . Following the passage of a state zoning enabling statute in 1927, Holcombe appointed Will Hogg to chair a new City Planning Commission . Will Hogg was a co-founder of the River Oaks development, the son of a former Texas Governor and an heir to family oil wealth . By 1929, both Hare and Hogg abandoned efforts to push the zoning ordinance to a referendum . In their estimation, there was not enough support for it . Hogg resigned as chair of the City Planning Commission that year . In 1930, Hogg died while vacationing in Germany . </P> <P> Among large populated cities in the United States, Houston is unique as the largest city in the country with no zoning ordinances . Houston voters have rejected efforts to implement zoning in 1948, 1962, and 1993 . It is commonly believed that "Houston is Houston" because of the lack of zoning laws . Houston is similar, however, to other large cities throughout the Sun Belt, who all experienced the bulk of their population growth during the Age of the Automobile . The largest of these cities, such as Los Angeles, Atlanta, Miami, Tampa, Dallas, Phoenix, and Kansas City, have all expanded their metropolitan footprints along with Houston while having land use zoning . </P>

Name the one major city in texas that has no zoning ordinances