Tourism remains Nevada's most important industry, employing over 228,000 people. In 2002, approximately 47.9 million travelers visited the state. About 25 million people visited state and national parks. A majority of all tourists flock to "Vegas" for gambling and for the top-flight entertainers who perform there. The gaming industry had total revenues of about $9.4 billion in 2002. The Nevada Commission on Tourism has branch offices in Japan, the United Kingdom, and Seoul, Korea.
Nevada attractions include Pyramid Lake, Lake Tahoe, Lake Mead, and Lehman Caves National Monument. There are 21 state parks and recreation areas, and the Great Basin National Park. Lake Mead National Recreation Area attracts 43% of all park visitors (totaling over 24 million people in 1999). Grand Canyon National Park is the 2nd most popular parks destination, with 18% of all parks visitors.