Natural Bridge Caverns

Located just North of San Antonio Texas is one of the world's premier caverns, Natural Bridge Caverns. The Hidden Passages Tour takes guest up-close to rare and delicate cave formations with dramatic lighting and includes a total darkness experience.

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Mercer Caverns

Visitors enjoy the convenience of walkways and electric lighting. Cave tours last about 45 minutes. The cavern temperature is 55 degrees year-round. The tour covers about a quarter mile on walkways and stairs. There are a total of 440 steps, 208 down into the caverns and 232 up out of the caverns. Visitors descend a total of 160 vertical feet below the entrance.

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NCA Directory

America's Best Showcaves!

Just about everywhere you go, you can explore the underground wonders of a nearby NCA showcave.

Midwestern Showcaves

    

Members: The directory is available for download in pdf format under Member Resources.

Alabaster Caverns State Park
217036 SH 50A
Freedom, OK  73842
580-621-3381
Black Hills Caverns
2600 Cavern Rd.
Rapid City, SD  57702
605-343-0542
Blanchard Springs Caverns
Forest Road 1110A (off Hwy 14)
Mountain View, AR  72560
870-757-2211
Bluespring Caverns
1459 Bluespring Caverns Road
Bedford, IN  47421
812-279-9471
Bluff Dwellers Cave
954 Hwy 59 South
Noel, MO  64854
417-475-3666
Bridal Cave & Thunder Mountain Park
526 Bridal Cave Road
Camdenton, MO  65020
573-346-2676
Cave of The Mounds, National Natural Landmark
2975 Cave of the Mounds Road
Blue Mounds, WI  53517
608-437-3038
Cave Without A Name
325 Kreutzberg, Boerne, TX 78006
Houston, TX  77240
830-537-4212
Caverns of Sonora
P.O. Box 1196
Sonora, TX  76950
325-387-3105
Cosmic Cavern
6386 Hwy. 21 North
Berryville, AR  72616
870-749-2298
Crystal Cave, WI
W 965 State Road 29
Spring Valley, WI  54767
715-778-4414
Crystal Lake Cave
6684 Crystal Lake Cave Road
Dubuque, IA  52003
563-556-6451
Fantastic Caverns
4872 N. Farm Rd. 125
Springfield, MO  65803
417-833-2010
Forestville/Mystery Cave State Park
21071 County 118
Preston, MN  55965
507-937-3251
Indiana Caverns
1267 Green Acres Drive SW
Corydon, IN  47112
812-734-1200
Inner Space Cavern
4200 S. Interstate Hwy. 35, Exit 259
Georgetown, TX  78626
512-931-CAVE
Jacob's Cave
23114 Hwy. TT
Versalles, MO  65084
573-378-4374
Jewel Cave National Monument
11149 US Hwy 16
Custer, SD  57730
605-673-8300
Longhorn Cavern State Park
6211 Park Road 4 South
Burnet, TX  78611
512-715-9000
Marengo Cave National Landmark
400 E. State Road 64
Marengo, IN  47140
812-365-2705
Mark Twain Cave
300 Cave Hollow Road
Hannibal, MO  63401
573-221-1656
Marvel Cave
399 Indian Point Rd., Silver Dollar City
Branson, MO  65616
417-338-3894
Meramec Caverns
I-44, Exit 230. 1135 Hwy W
Stanton, MO  63079
573-HOT-CAVE
Natural Bridge Caverns
26495 Natural Bridge Caverns Rd.
Natural Bridge Caverns, TX  78266
210-651-6101
Niagara Cave
29842 County 30
Harmony, MN  55939
507-886-6606
Onondaga Cave & Cathedral Cave
7556 Hwy. H
Leasburg, MO  65535
573-245-6600
Onyx Cave
338 Onyx Cave Lane
Eureka Springs, AR  72632
479-253-9321
Rushmore Cave
13622 Hwy 40
Keystone, SD  57751
605-255-4467
Spook Cave
13299 Spook Cave Road
Mc Gregor, IA  52157
563-873-2144
Squire Boone Caverns/Village
100 Squire Boone Rd
Mauckport, IN  47142
812-732-4381
Stark Caverns
125 Cave Drive
Eldon, MO  65026
573-369-3306
Talking Rocks Cavern
423 Fairy Cave Lane
Branson West, MO  65737
417-272-3366
Twin Caves
3333 State Road 60E
Mitchell, IN  47446
812-849-3534
War Eagle Cavern on Beaver Lake
On Scenic Hwy 12, 25 min SE of Eureka Springs, 20 min W of Rogers
Rogers, AR  72756
479-789-2909
Wind Cave National Park
69911 US Hwy 385
Hot Springs, SD  57747
605-745-4600
Wyandotte Cave
7315 South Wyandotte Cave Road
Leavenworth, IN  47137
812-738-8232