Berkeley Springs Castle (United States) 276 Cacapon Rd, Berkeley Springs, WV 25411-9460
The Castle at Boston University (United States) 225 Bay State Rd, Boston, MA 02215-1405
Mystery Castle (United States) 800 E Mineral Rd, Phoenix, AZ 85042-8341
Tovrea Castle at Carraro Heights (United States) 5025 E Van Buren St Visitor Center, Phoenix, AZ 85008-7006
Hammond Castle (United States) 80 Hesperus Ave, Gloucester, MA 01930-5299
Schwartz Castle (United States) 492 S 3rd St, Columbus, OH 43215-5702
Gimghoul Castle (United States) 705 Gimghoul Rd, Chapel Hill, NC 27514-3814
The Henderson Castle (United States) 100 Monroe St, Kalamazoo, MI 49006-4433
Castello di Amorosa (United States) 4045 Saint Helena Hwy, Calistoga, CA 94515-9609
City Workhouse Castle (United States) 2001 Vine St, Kansas City, KS 64108-3007
Sauer Castle (United States) 935 Shawnee Rd, Kansas City, KS 66103-1127
Hale Koa: Iolani Barracks (United States) Hawaii State Capitol grounds 364 S King St, Honolulu, Oahu,, Honolulu, Oahu, HI 96813
Glen Eyrie Castle (United States) 3820 N 30th St, Colorado Springs, CO 80904-5001
Castle Northmoor (United States) NW 50th Tr, Kansas City, MO
Bannerman Castle (United States) Bannerman Island, Cold Spring, NY
The Castle of Muskogee (United States) 3400 Fern Mountain Rd, Muskogee, OK 74401-5402
Castle Craig (United States) Peak Dr East Peak in the Hanging Hills, Meriden, CT 06451
Vikingsholm (United States) Hwy 89 at Emerald Bay State Park, South Lake Tahoe, CA
Belcourt of Newport (United States) 657 Bellevue Ave, Newport, RI 02840-4280
Belvedere Castle (United States) 79th Street Mid Central Park, New York, NY 10021