Friday, August 12

9:30 a.m.: Kayak Tours of Mercer Lake at Mercer County Park in West Windsor. Includes kayak instruction followed by the tour. Registration is required by calling (609) 888-3218. The cost to attend is $25-$30.

4 to 7 p.m.: Sunset Sips & Sounds at Terhune Winery in Lawrenceville. Enjoy wine, light fare, and music (repeats every Friday night throughout the summer).

7 p.m.: Free, Dancing Under the Stars at Hinds Plaza in downtown Princeton.

Saturday, August 13

9 a.m. to 4 p.m.: Archaeology Day: Uncovering Morven’s Greenhouse. Join archaeologists from Hunter Research in a real-life investigation at the site at Morven Museum and Garden.

10 a.m.: Stony Brook-Millstone Watershed Association’s Butterfly Festival. Includes nature walks, butterfly house tours, and live music. The cost to attend is $10 per person or $25 per family; 31 Titus Mill Road, Pennington.

Noon to 5 p.m.: Sangria Weekends at Terhune Orchards Vineyard & Winery Tasting Room (also on Sunday).

Noon to 7 p.m.: Witherspoon-Jackson Community Block Party and Music Festival along Birch Avenue and Race Street in Princeton.

2 to 4 p.m.: Free, Summer Music on the Square at Palmer Square Green.

Sunday, August 14

1 p.m.: Summer Carillon Concert at Princeton University Carillon, 88 College Road West.

2 p.m.: Walking Tour, Historical Society of Princeton. The cost to attend is $7. Tours meet at Bainbridge House, 158 Nassau Street, Princeton.

2 to 3 p.m.: Free, Highlights Tour at Princeton University Art Museum (meets at the entrance to the Museum).

7 p.m.: Princeton Bluegrass Jam at Small World Coffee, 14 Witherspoon Street, Princeton.