Providing support, services, and educational merchandise to enhance visitor experience and enjoyment through historical, scientific, and educational activities in Theodore Roosevelt National Park and Knife River Indian Villages National Historic Site.

  • Accessories

    Accessories

    Proceeds from all items sold through TRNHA directly support educational activities, scientific... 

  • Apparel

    Apparel

    Proceeds from all items sold through TRNHA directly support educational activities, scientific... 

  • Books

    Books

    Proceeds from all items sold through TRNHA directly support educational activities, scientific... 

  • Coins, Tokens, Medallions

    Coins, Tokens, Medallions

    Proceeds from all items sold through TRNHA directly support educational activities, scientific... 

  • Drinkware

    Drinkware

    Proceeds from all items sold through TRNHA directly support educational activities, scientific... 

  • Home Items

    Home Items

    Proceeds from all items sold through TRNHA directly support educational activities, scientific... 

  • Magnets

    Magnets

    Proceeds from all items sold through TRNHA directly support educational activities, scientific... 

  • Outdoor Gear

    Outdoor Gear

    Proceeds from all items sold through TRNHA directly support educational activities, scientific... 

  • Pins and Patches

    Pins and Patches

    Proceeds from all items sold through TRNHA directly support educational activities, scientific... 

  • Stationery

    Stationery

    Proceeds from all items sold through TRNHA directly support educational activities, scientific... 

  • Stickers

    Stickers

    Proceeds from all items sold through TRNHA directly support educational activities, scientific... 

  • Toys

    Toys

    Proceeds from all items sold through TRNHA directly support educational activities, scientific... 

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  • Become a Member

    Become a member today and help TRNHA support North Dakota's National Parks. Proceeds from sales of membership donations support Theodore Roosevelt National Park and Knife River Indian Villages National Historic Site.

    Purchase Your Membership 
  • Donate

    Established in 1951, Theodore Roosevelt Nature and History Association (TRNHA), a 501c3 not-for-profit, is a cooperating association developed by the National Park Service to support the educational, scientific, and historic activities of Theodore Roosevelt National Park and Knife River Indian Villages National Historic Site.

    Donate Now 
  • Volunteer

    Volunteering for Theodore Roosevelt Nature and History Association is a way to show your support and to assist us in meeting our mission of supporting Theodore Roosevelt National Park and Knife River Indian Villages National Historic Site.

    Volunteer Opportunities 
  • Gift Cards

    Give the gift of supporting North Dakota National Parks!

    Gift cards will be sent as a physical gift card which can be used in store or online.

    Purchase Gift Cards