Alum Cove Natural Bridge Recreation Area, AR- Archbald Pothole, PA
- Ayres Natural Bridge, WY
- Beaver Falls Karst Trail, AK
- Big Basin, KS
- Blue Grotto Dive Resort, FL
- Bottomless Lakes, NM
- Devil’s Den, FL
- Devil’s Kettle, MN
- Devil’s Millhopper, FL
- Devil’s Sinkhole, TX
- Devil’s Well, MO
- Falling Waters Sink, FL
- Glory Hole Waterfall, AR
- Grand Gulf State Park, MO
- Ha Ha Tonka State Park, MO
- Hamilton Pool, TX
- Jemez Soda Dam, NM
- Lost Lake, OR
- Mackinac Island State Park, MI
- McConnell Springs, KY
- Montezuma Well, AZ
- Nakalele Blowhole, HI
- National Corvette Museum, KY
- Natural Arch Scenic Area, KY
- Alabama’s Natural Bridge, AL
- Natural Bridge of Arkansas, AR
- Natural Bridge State Resort Park, KY
- Needle’s Eye, ID
- O'Leno State Park, FL
- Pivot Rock Park, AR
- Santa Rosa Blue Hole, NM
- Sewanee Natural Bridge, TN
- Sinks Canyon SP, WY
- Stevens Twin Sinks Preserve, MI
- Tonto Natural Bridge, AZ
- Twin Arches, TN
- Ventana Natural Arch, CO
- La Ventana Natural Arch, NM
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