The Bayou Corne Sinkhole was created from a collapsed underground salt dome cavern operated by Texas Brine Company and owned by Occidental Petroleum.
Daisetta, Texas
Daisetta is a city in Liberty County, Texas, United States.
The Inkpot
The Inkpot is a 90-foot-deep (27 m) sinkhole located at the Salt Creek Wilderness Area north of Roswell, New Mexico.
Big Basin Prairie Preserve
The Big Basin Prairie Preserve is a 1,818 acres (7.36 km2; 2.84 sq mi) nature preserve owned and managed by the Kansas Department of Wildlife and Parks.
Blue Hole (New Mexico)
The Blue Hole of Santa Rosa is a circular, bell-shaped pool east of Santa Rosa, New Mexico that is one of the most popular dive destinations in the US for SCUBA diving and training.
Bottomless Lakes State Park
Bottomless Lakes State Park is a state park in the U.
Lake Peigneur
Lake Peigneur is located in the US state of Louisiana, 1.
Trout Pond
Trout Pond — formerly called Old Pond — located near Wardensville in Hardy County, West Virginia, USA, is the state's only natural lake.
Marvel Cave
Marvel Cave is a National Natural Landmark located just west of Branson, Missouri, on top of Roark Mountain in Stone County.
Deep Run Ponds Natural Area Preserve
Deep Run Ponds Natural Area Preserve is a 706-acre (286 ha) Natural Area Preserve located in Rockingham County, Virginia.
Devil's Sinkhole State Natural Area
Devil's Sinkhole State Natural Area is a natural bat habitat near the city of Rocksprings in Edwards County in the U.