Here are our weekend picks to keep on your radar:

Starting Friday, Dec. 4 through Thursday, Dec. 31, our fishy friends over at the Adventure Aquarium (1 Riverside Dr., Camden) hosts a month-long Christmas Celebration including seasonal scuba diving, holiday photo ops and more.

For seasonal design at its finest: On Saturday, Dec. 5 the Chestnut Hill Community Association brings back its yearly holiday tradition with a morning of decorated house tours featuring the area's historic homes, cottages and more. Things get started at 10 a.m.

Get some early holiday cheer during a Christmas Festival at Peddler's Village (Route 202 & Route 263) on Saturday, Dec. 5 and Sunday, Dec. 6 that features a weekend full of seasonal treats, a visit by Santa Claus and a parade. Things get started both days at 10 a.m.

If you haven't started your holiday shopping yet now's the time. Boutiques located in Northern Liberties will offer great sales on their specialty products on Saturday, Dec. 5 through Sunday, Dec. 6. How it works? Customers will receive additional percentages off at each store they visit. The more you shop the more you save, it's that simple. More information can be found here.  

On Saturday, Dec. 5, celebrate the grand opening of the PSPCA's newest location (1546 Frankford Ave.) with an afternoon full of animal-themed events. Things get started at noon with family fun time featuring a scavenger hunt, craft activities and seasonal treats to enjoy. Following the kid-friendly activities will be a 21-and-over quizzo game at 2 p.m. featuring food, drinks and prizes.

For an autograph opportunity: Fairly new Jazz Club, South (600 N. Broad St.) invites local food and travel writer Beth D'Addono for an evening of conversing about her newest book entitled The HUNT New Orleans. Things get started at 4 and run until 6 p.m.  on Saturday, Dec. 5.

Parents and their children can meet Kris Kringle at City Tap House University City (3925 Walnut St.) during a Brunch with Santa on Sunday, Dec. 6. From 11 a.m. to 3 p.m., the restaurant will offer free meals for children under 10, as well as holiday pictures. Proceeds from the day will benefit the Ronald McDonald House.

Picks from the Inquirer's Michael Harrington

For more Things to Do, check out our calendar for the most up-to-date happenings.