Here’s our regular weekly post from the Center for the Urban Environment about the great tours they run:

Park Slope: Celebrating 35 Years as a Historic District. Saturday, June 21 – 11am – 1 pm – with Matt Postal. In July 1973, Park Slope became an historic district, preserving one of Brooklyn’s finest residential neighborhoods. This walk will visit some of the most beautiful blocks, paying particular attention to the families who commissioned these residences, as well as recent restoration projects and new construction. Meet street level of the 2/3 train at the newsstand in Grand Army Plaza. Fees are $13.oo for non-members, $10.00 for members and $8.00 for seniors or students.

Cruising the Gowanus Canal. Sunday, June 22 – 9:30-12 noon – with Dan Wiley. The Center is happy to cruise the Canal once more and introduce newcomers and old fans alike to the secrets of this now legendary waterway. Those who have been on the cruise before come back to see the changes as the Canal and its neighborhood experience a renaissance. Dan Wiley will guide us through the cruise with tales of the area’s environment, history and industrial architecture. Check-in will take place at 9:30 am, with the vessel departing promptly at 10:00. Meet at Fulton Ferry Landing, foot of Old Fulton Street, opposite the River Café. Fees $50.00 for non-members; $40.00 for members, seniors and students. Pre-payment required. Book early! For reservations and pre-payment call (718) 788-8500, ext. 217.