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Truck or Treat

Maryland State Highway Administration 7491 Connelley Drive, Hanover

Join the Maryland Department of Transportation State Highway Administration for Truck or Treat: Meet Maryland’s Highway Heroes, where kids can explore the impressive vehicles that help keep Maryland’s roadways safe while collecting candy and treats along the way.

Free

Dinosaur Park Free Open House

Dinosaur Park 13100 Mid Atlantic Blvd., Laurel

Dinosaur Park offers a free Open House event from 12-4 pm on Saturday October 17th, during which the public can learn about the plants and animals that called Maryland home during the early Cretaceous Period (115 million years ago)! As part of this community science program, participants are also invited to help us make new discoveries by assisting with fossil surface collecting. Please note that there is no actual digging during this program, rather we simply scour the surface to see what new fossils have been exposed through natural erosion. This program does not require any prior registration. Participants will sign up on site. This program is entirely outdoors and weather dependent, so please keep an eye on the weather and dress appropriately. Please check the Dinosaur Park website to confirm the program is not cancelled due to weather.

Free

Howard Astronomical League Public Star Party

Howard Astronomical League Observatory at Alpha Ridge Park 11685 Old Frederick Rd,, Marriottsville

Public Star Party with HAL Observatory open and members’ telescopes set up in plaza and parking lot. Activities for kids.

Free