CHEYENNE, Wyo. (AP) — Entrance fees are being waived at several national parks, monuments and recreational areas in Wyoming on Monday to celebrate Martin Luther King Jr. Day.

The National Park Service says more than 100 sites across the country will be offering free visitor admission and will be waiving commercial tour entrance fees and transportation entrance fees.

The parks in Wyoming that are participating include the Bighorn Canyon National Recreation Area, Devils Tower National Monument, Fort Laramie National Historic Site, Grand Teton National Park and Yellowstone National Park.