Maine Mineral & Gem Museum - Maine Mineral & Gem Museum | Bethel ME

MMGM is Closed. We'll reopen Mon at 10 AM

Maine Mineral & Gem Museum

Current Events
Upcoming Events
Past Events

Black Friday Weekend at MMGM Store: Save Up to 35% Storewide!

11-29-2025 @ 10:00 AM - 12-01-2025 @ 05:00 PM

99 Main St., Bethel, Maine

Story Hour @ Bethel Library: Old Rocks + Pet Rocks!

11-20-2025 @ 03:00 AM - 11-20-2025 @ 04:00 AM

Bethel Library, 6 Broad St., Bethel, ME

There are currently no events.

OCMGA Christmas for Kids Charity Auction @ MMGM

11-07-2025 @ 06:30 PM - 11-07-2025

99 Maine St., Bethel, ME

MMGM @ Cambridge Explores the Universe

10-25-2025 @ 12:00 PM - 10-25-2025 @ 04:00 PM

Center for Astrophysics, Harvard & Smithsonian, 60 Garden Street Cambridge, MA

Trick or Treat at the Museum! | Free Halloween Fun at MMGM

10-31-2025 @ 04:00 PM - 10-31-2025 @ 07:00 PM

Maine Mineral & Gem Museum

Sip & Shop @ MStore: Gems on the Rocks

10-24-2025 @ 06:00 PM - 10-24-2025 @ 08:00 PM

Maine Mineral & Gem Museum, 99 Main St., Bethel, ME

Community Day @ MMGM: Free for Maine & New Hampshire Residents

10-19-2025 @ 11:00 AM - 10-19-2025 @ 04:00 PM

Maine Mineral & Gem Museum, 99 Main St., Bethel, ME

Experience International Observe the Moon Night with MMGM

10-04-2025 @ 07:30 PM - 10-04-2025 @ 09:00 PM

The Gem Theater, 48 Cross St., Bethel, ME

Appearance or Signing

Teacher Education Night: Space Rocks!

10-21-2025 @ 04:30 PM - 10-21-2025 @ 06:30 PM

Discovery Gallery at MMGM, 99 Main St., Bethel, ME

Class, Training, or Workshop

RESCHEDULED: Story Hour @ Bethel Library: How to Catch a Dinosaur

10-23-2025 @ 03:00 PM - 10-23-2025 @ 04:00 PM

Bethel Library, 6 Broad St., Bethel, Maine

Story Hour @ Bethel Library: Pirates, Gold, and Fool’s Gold!

09-18-2025 @ 03:00 PM - 09-18-2025 @ 04:00 PM

Bethel Library, 6 Broad St, Bethel, ME

The Origin of Life in the Universe: Talk by MMGM’s Al Falster

10-04-2025 @ 02:00 PM - 10-04-2025 @ 04:00 PM

Maine Mineral & Gem Museum