Saving money on admission tickets

I’m always on the lookout for ways to save money without compromising our trip. We buy membership passes to the things we use at home that can also help us when we’re out of town.
For example, we have a membership to our local Children’s Museum. We bought the membership upgrade that allows us to have reciprocal admission to other Children’s Museums throughout the country. For a few dollars more, we can get in free at most other children’s museums. Our local zoo membership also gets us in free or at discounted admission to most zoos around the country.
On my hunt for more deals, I came across this article on memberships that are worth the money. Read the full article here: Six genius family travel buys – Family Travel – MSNBC.com