Predictive maps based on historical and current weather data show peak season will occur in mid- to late October over much of the eastern U.S. this year, but climate change is expected to keep nudging these dates backward in the coming decades. Through the Second Century Stewardship Foundation, Stephanie Spera, an assistant professor at the University of Richmond, is analyzing fall foliage changes at Acadia National Park on Maine’s Mount Desert Island.

Of the 50 historical figures most frequently honored with a monument, only three were women: Joan of Arc, Sacagawea and Harriet Tubman. Tubman, the only one of the three who would have called herself American, was born enslaved and was not considered a citizen until she was in her 40s.