Best State Natural Area
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May Prairie State Natural Area is a protected tallgrass prairie remnant located in Tennessee. It is one of the few remaining unplowed prairie remnants in the southeastern United States, preserving a habitat type that was once more widespread in the region. The site contains over 300 documented plant...
Rush Creek State Natural Area is a protected reserve in Wisconsin notable for its expansive dry prairies and oak savannas overlooking the Mississippi River.
Goose Lake Prairie State Natural Area, located in Grundy County, Illinois, preserves approximately 2,537 acres of tallgrass prairie and wetland habitat. Established in 1969, it represents one of the largest remaining remnants of the once-extensive Grand Prairie that covered much of Illinois before E...
Niawathe Prairie in Cedar County, Missouri, is a 320-acre natural area notable for protecting one of the largest remaining undisturbed tracts of tallgrass prairie in the western Ozarks.
A large natural sinkhole in Edwards County, Texas, about 15 meters wide and 50 meters deep, serving as a roosting site for millions of Mexican free-tailed bats.
Kankakee River Prairie is a notable natural area within Illinois's Kankakee River State Park, recognized for its diverse floodplain ecosystems and restored grasslands.
Thomson Memorial Prairie in Dane County, Wisconsin, is a dedicated conservation area notable for protecting critical dry-mesic prairie and oak savanna habitats on former agricultural land.
Kishwaukee Prairie in Illinois is a dedicated nature preserve recognized for protecting undisturbed black soil tallgrass prairie and native wildlife.
Helton Prairie in Harrison County, Missouri, is a small but vital natural area notable for preserving a rare, high-quality remnant of mesic tallgrass prairie in the state's northern region.
Located in Illinois, Heron Pond Prairie is part of the Cache River wetlands, a Ramsar Wetland of International Importance designated in 1996.
Stony Point Prairie in Missouri is a conservation area notable for preserving undisturbed native grasslands and unique geological features in the rugged Osage Plains region.
