updated 12:41 p.m. ET May 21, 2008

Cambridge, Md., from $129 per room per night
The Hyatt Regency Chesapeake Bay Golf Resort, Spa and Marina on Maryland's eastern shore is offering a Spring Fever package with accommodations and a complimentary s'mores kit to be used at the resort's grand, outdoor fireplace. There are plenty of fun activities available at the resort, which has an on-site, 18-acre nature preserve, and beyond. The nightly $12 resort fee covers stuff like access to the tennis court, fitness center, and mini golf; basketball, volleyball, and tennis equipment rentals; and putting-green and driving-range privileges. "Dive-In" movies are projected onto a large screen every Saturday night, and kids can watch while splashing around in the resort's indoor Wintergarden Pool. Rates start at $129 per room per night (Sunday through Thursday) and at $199 per room per night (Friday and Saturday).

When: Through May 23, 2008.

Details: Children 17 and under are free and may stay in the room with their parents. Taxes are an additional 12.5 percent, and the resort fee is $12 per room per night.

Contact: 800/633-7313, chesapeakebay.hyatt.com.

Orlando, Fla., from $150 per room per night
Floridays Resort Orlando's Explore & Save package covers accommodations in a two- or three-bedroom suite, with a full kitchen and two bathrooms, passes to SeaWorld and the brand-new, 52-acre water park, Aquatica. Guests also receive a Perks Card, which provides discounts to the Arabian Nights Dinner Attraction, Gatorland, Ripley's Believe It Or Not, the Carving Station Restaurant, Magical Midway, Outta Control Magic Comedy Dinner Show, and other local attractions. Rates start at $75 per person (for those ages 4 and above) per night, so a couple would pay $150 per night and a family of four, with kids ages 5 and 7, would pay $300 per night.

When: Through June 30, 2008; book by May 31.

Details: Taxes are an additional 12.5 percent.

Contact: 866/797-0022, floridaysresort.com.

Newark, Ohio, from $194 per room per night
The 200-room Cherry Valley Lodge resort, 25 miles east of Columbus, will cool you off this summer with the Wild Waterpark Works! package. A family of four can enjoy two nights' accommodations, four passes to CoCo Key indoor water park good for two days, an outdoor safari at the Wilds wildlife conservation center, and four passes to the Works discovery museum. As if that weren't enough to tire you out, the Midwest's only zip-line canopy tour is just 40 miles away in Logan. Rates start at $194 per room per night—or $388 for the two-night package.

Details: Does not include tax of 10 percent. Based on quad occupancy; kids under 18 stay free. Starting rate is based on a room with a king-size bed and a foldout couch; upgrade to two queen-size beds for $20 per room per night. Use promo code WILDWORKS.

When: Through Oct. 31, 2008.

Contact: 800/788-8008, cherryvalleylodge.com.

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Denver, Colo., from $235 per room per night
The Kids in the City package includes accommodations at the 196-room JW Marriott Denver at Cherry Creek, four tickets to the Denver Zoo, and milk and cookies at turndown. Guests will also be treated to complimentary services provided to all families at check-in: a stuffed teddy bear, child-sized robes and slippers for use during your stay, family-friendly DVDs, books, and board games, and the Passport to Savings card, which provides discounts at local shops like the Wizard's Chest , Cute as a Button, and Kazoo Toys. Rates start at $235 per room per night, which represents savings of $100. (Consider that the average room rate is $329 and tickets to the Denver Zoo range from $9-$11 for adults and $5-$7 for kids.)

When: Ongoing.

Details: Taxes are an additional 14.85 percent.

Contact 303/316-2700, jwmarriottdenver.com.

Philadelphia, Pa., from $250 per room per night
When you book the Animal Discoveries Hotel Package, you'll receive two nights' hotel accommodations, free parking (a $50 value), and two adult and two child tickets to the Philadelphia Zoo, the Adventure Aquarium, and the Ride the Ducks Tour (a savings of $200). Choose from six participating area hotels: Embassy Suites Philadelphia-City Center, Holiday Inn Philadelphia-Historic District, Hyatt Regency At Penn's Landing, Loews Philadelphia Hotel, Sheraton Philadelphia City Center Hotel, and Sheraton University City. Rates start at $250 per room per night at the Loews Philadelphia Hotel.

Details: Does not include tax of 14 percent. You can purchase additional tickets for activities at the hotel at a reduced rate. Each hotel has different age limits for kids; see Web site for details. If you're interested in the Embassy Suites, you can choose to book directly through the hotel's Web site; for all other hotels, you must book through gophila.com.

When: Through Nov. 30, 2008.

Contact: Greater Philadelphia Tourism Marketing Corporation, gophila.com.

Mesa Verde, Colo., from $265 per room per night
The Family Value package includes two nights at the Far View Lodge inside Mesa Verde National Park, two ranger-led tours to the Cliff Palace and Balcony House ruins, a ride on the Durango and Silverton train, breakfast daily, and complimentary dinner for kids 11 and under. Rates start at $265 per room per night, or $530 for the two-night stay.

Details Price is per room, based on two adults and two kids 11 and under. Add $10 per night for kids 12 to 18.

When: Through Oct. 21, 2008.

Contact: 888/896-3831, visitmesaverde.com.

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