MANHATTAN MANSION Morris-Jumel Mansion, Manhattan’s oldest house, began as Roger Morris’s “Gentleman’s Farm,” became Washington’s Revolutionary War headquarters, and in the 19th century was used by Madame Eliza Jumel as a “Chateau in the Heights.” A guided tour provides a look at its 11 period rooms. Saturday, 11 a.m.-noon, Morris-Jumel Mansion, 65 Jumel Terrace, between 160th and 162nd streets, 212-923-8008, $5 general, $3 seniors, students, and members, reservations recommended.

CHELSEA TREATS A new NYC Discovery tour of Victorian Chelsea includes stops along the way for several desserts, from rugelach to chocolates. Saturday and Sunday, noon, 212-465-3331 for reservations and meeting place, $19 includes sweets.

THE VILLAGE ON FILM A walking tour of Greenwich Village points out where movies from 1928 to the present were filmed in the neighborhood. Saturday, 1 p.m., meet at 1 Fifth Ave. at 8th Street, 212-475-6914, $20, no reservations.

FROM THE PLAZA TO YONKERS The Five Borough Bicycle Club sponsors a 30-mile ride to the Hudson River Museum, starting at the Plaza Hotel. The ride heads through Central Park and up the center of Manhattan into the Bronx, winds along the Old Croton Aqueduct, and ends in Yonkers. After a visit at the Hudson River Museum, which houses a planetarium along with its historical exhibits, bikers return to Manhattan. Sunday, 9 a.m. until approximately 5 p.m., meet at the fountain across from the Plaza Hotel, 59th Street and Fifth Avenue, 212-932-2300 ext. 115 free tour, $6 museum admission. Note: Helmets are required for all riders.

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