(Patty Wetli / WTTW News)

The grant was awarded through the America the Beautiful Challenge. The program, now in its second year, is funded in part by the Bipartisan Infrastructure Law.

A prehistoric stone tool discovered during a recent archeological dig at Midewin National Tallgrass Prairie. (Courtesy of Bill Parkinson)

With new tools at their disposal, archeologists are revisiting a prehistoric site discovered 40 years ago at what’s now Midewin National Tallgrass Prairie. “What we have here is a real unique opportunity to talk about how humans used this landscape over the last 10,000 years,” one researcher said. 

Monarch butterflies roosting in Midewin National Tallgrass Prairie. (Courtesy of Ron Kapala)

Large numbers of monarch butterflies are making a pit stop at Midewin National Tallgrass Prairie during their annual fall migration. That’s just one of the ways to enjoy and explore nature this weekend.

Bison at Midewin National Tallgrass Prairie. (USDA Forest Service)

Three calves, with their distinctive reddish-brown coats, were spotted this week at Midewin. Bison calves are typically born in April or May.

Midewin, the first national tallgrass prairie in the U.S., was established Feb. 10, 1996, celebrating its 25th anniversary. (Patty Wetli / WTTW News)

The 18,000-acre restoration site continues to evolve, as this home of the former Joliet Arsenal gradually returns to its native prairie state. 

(Cindy Parks / Pixabay)

From eating mosquitoes to restoring rainforests to making tequila (sort of), bats are amazing. The creature gets its due during International Bat Week, running through Oct. 31.

Bison at Midewin National Tallgrass Prairie. (USDA Forest Service)

July is National Bison Month — who knew? Here’s where you can catch buffalo roaming, close to home, in Illinois and Indiana.

The National Bison Legacy Act aims to put the largest land mammal in America on the same level as the bald eagle, the country's national bird and a cultural symbol of independence.