@91f7a9d2 wow you must have really liked Maine ;) 

 @91f7a9d2 I live in Maine so feel free to ask further questions! But some basics:

- Acadia National Park, as mentioned by many
- Maine Botanical Gardens, in Boothbay
- Maine Mineral and Gem Museum, in Bethel https://mainemineralmuseum.org/ is well suited to your interests! 
- The Front Porch is a restaurant/Piano Bar, in Ogunquit 
- you can catch a Whale Watching cruise/tour out of Kennebunk
- Lighthouses everywhere, if you are into that 
- Lots of music, clubs, etc in Portland
- amazing restaurants