Free Events, Film

Lewis & Clark: Great Journey West

When: March 7-May 29, 9:30 a.m.-4:30 p.m.; May 30-Sept. 5, 9 a.m.-8 p.m., $4-$7, http://www.gatewayarch.org. St. Louis Gateway Arch, Jefferson National Expansion Memorial, (11 N 4th St), St. Louis, 314-655-1701, http://www.nps.gov/jeff.

This film, produced by National Geographic, re-creates the dangers, adventures and landscapes encountered by the Lewis & Clark expedition on their 1804 exploration of the unmapped American Northwest. See the 45-minute movie hourly.