Best Pothole
Updated Daily
The Missouri Coteau Prairie is a distinct plateau region in the northern Great Plains, characterized by rolling hills, glacial potholes, and expansive mixed-grass ecosystems.
Gaping Gill is a natural pothole on Ingleborough, North Yorkshire, England, containing Britain's largest natural underground chamber with a 98-metre vertical entrance shaft.
Sand Lake National Wildlife Refuge Prairie in South Dakota is part of a globally important Ramsar Wetland established in 1935 for migratory bird conservation.
Lostwood National Wildlife Refuge Prairie in North Dakota was established in 1935 and protects a designated wilderness area of pristine mixed-grass prairie and wetlands.
Cayler Prairie State Preserve in Iowa is a 160-acre National Natural Landmark protecting a diverse, untilled mesic tallgrass prairie within the Des Moines Lobe region.
Waubay National Wildlife Refuge Prairie in South Dakota was established in 1935 to protect vital nesting habitats for waterfowl within mixed-grass prairie ecosystems.
Doolittle Prairie State Preserve in Minnesota safeguards a 36-acre fragment of wet mesic tallgrass prairie, serving as a vital habitat for the rare greater prairie-chicken.
Located in North Dakota, the Valley City National Wildlife Refuge Prairie was established in 1981 to preserve vital tallgrass and wetland ecosystems for migratory waterfowl.
Slade National Wildlife Refuge Prairie, established in North Dakota in 1941, is a protected grassland habitat managed primarily for migratory waterfowl and native nesting birds.
