A Night at the Museum!

As the doors close and the lights dim, kids take a flashlight-lit tour through time. When it's time for bed, kids can fall asleep beneath the famous blue whale, next to African elephants, or at the base of a fake volcano.

Cost: $145 nonmembers, $135 members, $125 groups of 15 or more

In addition to exploring the museum after hours, kids will participate in a number of educational and entertaining science activities. Featuring everything from hands-on experiments to a special planetarium show, it will be a night they will never forget.

Cost: call 617-589-0350

Before future astronauts fall asleep beneath the stars, they will learn about space through hands-on exhibits, special planetarium shows, and a private telescope viewing.

Cost: $90 nonmembers, $80 members

Does your child want to explore caves? Or perhaps they have a special interest in dinosaurs? Chose from one of four themes to create the perfect sleepover experience for you little one.

Cost: $28

It's not just about the cold climate bird at Penguins and Pajamas. Kids will also learn about animals in the rain forest and meet Claude, the museum's albino alligator.

Cost: $99 nonmembers, $79 members

There's more to sleep than snoring. Before bedtime, kids will explore circadian rhythms and hibernation, participate in a simulated sleep deprivation challenge, and make a mask to help them fall asleep.

Cost: $35

Future sea explorers are needed to complete Operation Slumber. Kids will learn about the life of a captain as they spend the night aboard the Intrepid.

Cost: $120, $99 groups of 15 or more

A night of education and entertainment will be had by all who choose to spend a night sleeping among the fossils.

Cost: $60 nonmembers, $55 members or groups of 10 or more

Kids can explore the museum at their own pace or participate in an after-hours scavenger hunt. They will also receive a special guided tour of the coal mine and U-5050 submarine.

Cost: $65

During Operation Secret Slumber, kids will be sent on a seven-hour mission throughout the museum, which includes a simulated interrogation.

Costs: $115 nonmembers, $105 members and groups of 10 or more

Kids can spend the night in the storybook castle or the museum's famous tree house. Girls can enjoy complimentary manicures, while boys can play with the creepy crawlers.

Cost: $35

Kids travel around the world by visiting exhibits, playing games, and hearing a series of bedtime stories before they fall asleep.

Cost: $63 nonmembers, $55 members

Kids will enjoy an evening of engaging activities, like climbing a fossil-studded rock wall, playing hide-and-seek with the animals, and creating a masterpiece with digital spray paint.

Cost: $60

Whether they want to learn about the dinosaurs or the science of space, kids will enjoy a night at the St. Louis Science Center.

Costs: call 314-289-1459

At the Milwaukee Public Museum, each overnight is different. Themes range from an African safari to Egyptian mummies.

Cost: $47 nonmembers, $37 members, $42 groups of 15 or more

Kids can choose between a night with the dolphins or a sleepover with the sharks. In addition to sleeping with their favorite sea creatures, kids will get a chance to stroll the catwalk, which hangs a few inches above the animals.

Cost: $155 nonmembers, $103 members