Six Flags Discovery Kingdom - San Francisco, CA

$99.99

$48 & up—Aquatica Orlando Admission

$79.88

$68—'H2O Glow Disney After Hours' at Disney's Typhoon Lagoon

$99.00

$65 & up—Knott's Berry Farm day pass

$204.00

$204 & up—Discovery Cove in Orlando

$221.00

$221 & up—Universal Orlando: buy 3 days, get 2 free

$109.00

$109 & up—Walt Disney World: up to $100 off gate prices

$84.99

$56 & up—Sesame Place San Diego admission

$219.00

$199 & up—SoCal Residents: Disneyland Resort 3-day ticket

$134.99

$94 & up—Busch Gardens Tampa Bay Admission

$85.00

$40 & up—Kings Island single-day admission

$89.99

$43—Chicago's Six Flags Great America admission

$54.99

$41-$48—Valdosta: admission to Wild Adventures

$75.00

$36 & up—Kings Dominion admission into September, 50% off

$51.39

$32 & up—Admission to Six Flags Darien Lake

$89.99

$35—Save on Six Flags America tickets