Mountainair is a town in Torrance County, New Mexico, United States. It was founded in 1902 by John Corbett, Colonel E. C. Manning, and Elias S. Stover. The population was 928 at the 2010 census. It is part of the Albuquerque Metropolitan Statistical Area. The main visitor center for Salinas Pueblo Missions National Monument is located within the town.

Sierra County is a county in the U.S. state of New Mexico. As of the 2010 census, the population was 11,988. Its county seat is Truth or Consequences.

New Mexico is a state in the Southwestern United States. It is one of the Mountain States of the southern Rocky Mountains, sharing the Four Corners region of the western U.S. with Utah, Colorado, and Arizona, and bordering Texas to the east and southeast, Oklahoma to the northeast, and the Mexican states of Chihuahua and Sonora to the south.

Truth or Consequences (often abbreviated as T or C) is a city in New Mexico, and the county seat of Sierra County. In 2010, the population was 6,475. It has frequently been noted on lists of unusual place names for having chosen to rename itself after the Truth or Consequences radio show. The name is often hyphenated (Truth-or-Consequences, T-or-C) for clarity, though the formal name contains no punctuation.