United States of America

United States of America (USA) is a country in Northern America, consisting of multiple States.

Tomb Raider

 * New Mexico, Los Alamos County (intro video)
 * Seattle (cutscene only)

Tomb Raider II: Golden Mask

 * Alaska
 * Melnikov Island
 * The Cold War
 * Fool's Gold
 * Furnace of the Gods
 * Kingdom

Tomb Raider III

 * Nevada
 * Nevada Desert
 * High Security Compound
 * Area 51

Tomb Raider: Chronicles

 * New York
 * The 13th Floor
 * Escape with the Iris
 * Red Alert!

Tomb Raider: Curse of the Sword

 * New York
 * Museum of Antiquities
 * New York Roofs
 * Abandoned Subway
 * New Orleans (mentioned)