The Western Heritage Center in downtown Billings, affiliated to the Smithsonian Institution, has a collection of more than 16,000 artefacts documenting the life, culture and history of the Yellowstone River Valley. The centre's constantly changing gallery exhibitions draw around 22,000 visitors a year. The centre also hosts activities like storytelling hours, lectures, and scavenger hunts; check the website for schedules.

Address: 2822 Montana Avenue

Website: www.ywhc.org

Telephone: (406) 256 6809

Opening times: Tuesday to Saturday 10am-5pm; closed Sundays, Mondays and major holidays.

Admission: $5 adults, $3 seniors and students, $1 children under 12.