Waltham American Legion Band. Sponsored by the Chateau Restaurant and Waltham Police National Night Out.

Author Peter Alden will give an illustrated talk on how the polar bears are faring, how the Arctic and Antarctic differ, what the local peoples' lives are like and how the changes in climate pattersns have already affected them.

Help the Waltham Land Trust and Trustees of Reservations remove non-native plants from the trails of the Charles Riverwalk up/downstream of the Moody Street Dam. These invasives compete with and crowd out our native riverside plants! Tools and instruction provided. Bring water and sunscreen, and wear closed-toed shoes.

The Soft Touch Band. Sponsored by the Waltham Arts Council.

) Led by a guide in period dress, you will explore the beautiful 1806 Governor Gore mansion while hearing stories of unusual occupations in the early 19th century. Free parking. Capacity limited. For tickets, call: (781) 894-2798.

The Reynolds Band. Sponsored by the Waltham West Suburban Chamber of Commerce.

Reminisants. Sponsored by Rockland Trust Charitable Foundation, Inc.

The Herrmann family, breeders and trainers of the famed Lipizzan horse, demonstrate the highest levels of horsemanship in three shows. These stallions are among the last horses capable of executing the "Airs Above the Ground" maneuvers, dramatic leaps and plunges that were developed as aggressive battle maneuvers in the sixteenth century and are now among the most beautiful displays of equine grace and strength. Please bring seats and bug spray. Snacks and souvenirs are available.

A Grand Day Out plays rock, blues and '60's and '70's classics.

The Herrmann family, breeders and trainers of the famed Lipizzan horse, demonstrate the highest levels of horsemanship in three shows. These stallions are among the last horses capable of executing the "Airs Above the Ground" maneuvers, dramatic leaps and plunges that were developed as aggressive battle maneuvers in the sixteenth century and are now among the most beautiful displays of equine grace and strength. Please bring seats and bug spray. Snacks and souvenirs are available.

Waltham Farmers' Market bring fresh produce, meat, cheese, eggs, specialty foods, art and crafts to downtown Waltham every Saturday, rain or shine.

The Herrmann family, breeders and trainers of the famed Lipizzan horse, demonstrate the highest levels of horsemanship in three shows. These stallions are among the last horses capable of executing the "Airs Above the Ground" maneuvers, dramatic leaps and plunges that were developed as aggressive battle maneuvers in the sixteenth century and are now among the most beautiful displays of equine grace and strength. Please bring seats and bug spray. Snacks and souvenirs are available.