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Become A Member

Front View of Digger
Front View of Digger

Front View of Digger at the Front Entrance Parking Lot to The Mammoth Site.

Membership Levels

  • Individual - $25.00
  • Family - $50.00
  • Donor - $85.00

    Includes 2 Comp. Passes

  • Contributing - $150.00

    Includes 4 Comp. Passes

  • Supporting - $250.00

    Includes 6 Comp. Passes

  • Business Partner - $500.00
Select Membership Level
Enter an additional donation below if you like!
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Visa®, MasterCard® & Discover® cardholders
Your security code is the 3-digit code at the end of the signature field on your card's back.

American Express® cardholders
Your security code is the 4-digit code located above the actual credit card number on your card's front.

Your total payment will be
Your credit balance will cover
Your credit card will be charged
Your bank account will be charged

All memberships receive:
–Free admission during membership year
-Invitations to special events & lecture series
-Yearly membership pin
-Information newsletters delivered via email

Extra Benefits and Discounts
Become a Donor, Contributing, Business, Supporting or Sustaining member and receive a 20% discount in The Mammoth Site Gift Shop. 
Donor: 2 complimentary passes
Contributing: 4 complimentary passes.
Supporting: 6 complimentary passes

Benefits for Business Memberships:
Partner:  Website logo sponsorship