Photos: Yellowstone National Park and Cody, Wyo.

Morning Glory Geyser, near the more popular Old Faithful, is known for its many colors.  (Christopher Reynolds / Los Angeles Times)

A boy admires Geyser Hill, near Old Faithful in Yellowstone National park. Throwing things into geysers is forbidden.  (Christopher Reynolds / Los Angeles Times)

A boy and his dog admire Castle Geyser, near Old Faithful in Yellowstone National Park.  (Christopher Reynolds / Los Angeles Times)

The new visitor center at Old Faithful is set to open in late August, 2010.  (Christopher Reynolds / Los Angeles Times)

Elk enjoy the lawn at the chief concessionaire’s residence in the Mammoth Hot Springs area of Yellowstone National Park.  (Christopher Reynolds / Los Angeles Times)

The Lake Lodge, next to Yellowstone Lake, is a marvel of rustic architecture that serves as headquarters for visitors in nearby cabins.  (Christopher Reynolds / Los Angeles Times)

Rodeos are staged nightly during the summer in Cody, Wyo., a cowboy-and-tourist town about 50 miles east of Yellowstone National Park.  (Christopher Reynolds / Los Angeles Times)

Cowboy hats at the Cody rodeos are strictly optional.  (Christopher Reynolds / Los Angeles Times)

Cody is also known for its frontier-flavored Independence Day parades.  (Christopher Reynolds / Los Angeles Times)

Three beauty queens gather for a hearty post-Independene Day parade at the Irma Hotel in Cody, Wyo.: Kiley Boe (Miss Cody Stampede), left; Erin Heffron (Miss Rodeo Wyoming) and Kelli Jackson (Miss Rodeo America).  (Christopher Reynolds / Los Angeles Times)

Cody’s Old Trail Town is a collection of historic log cabins from the old Wyoming Territory.  (Christopher Reynolds / Los Angeles Times)

The Whitney Gallery of Western Art is one of five museums that make up the Buffalo Bill Historical Center in Cody, Wyo.  (Christopher Reynolds / Los Angeles Times)