Free unlimited admission to ECHO year round, including Awesome Forces and Engineer It, ECHO's new permanent exhibits. Free admission to 325+ museums and science centers through the ASTC Passport Program Special member-only invitations $2 discount for all guests in your party $2 discount on 3D Film tickets Discount on ECHO Birthday Parties 10% discount at ECHO's Museum Shop in store or online Discounted member parking rates during the peak season Discounts on summer and vacation camps