DENVER (AP) — A growing wildfire destroyed more than 100 homes in the Colorado mountains, while other blazes across the parched U.S. West kept hundreds of other homes under evacuation orders and derailed holiday plans.

Authorities announced late Monday that a fire near Fort Garland, about 205 miles (330 kilometers) southwest of Denver, had destroyed 104 homes in a mountain housing development started by multimillionaire publisher Malcolm Forbes in the 1970s. The damage toll could rise because the burn area is still being surveyed.

Tamara Estes' family cabin, which her parents had built in 1963...