Albright-Knox Art Gallery, 1285 Elmwood Ave. Noon to 5 p. m. Tuesday, Wednesday, Thursday, Saturday, Sunday, noon to 10 p. m. Friday. Adults $12, students and seniors $8. Free after 3 Friday.

Buffalo and Erie County Botanical Gardens, 2655 South Park Ave. 10 a. m. to 5 p. m. daily. Adults $6, students and seniors $5, children under 13 free.

Buffalo and Erie County Historical Society, 25 Nottingham Court. 10 a. m. to 5 p. m. Tuesday through Saturday, noon to 5 p. m. Sunday. Adults $7, students and seniors $5, children ages 7 to 12 $2.50.

Buffalo Museum of Science, 1020 Humboldt Parkway. 10 a. m. to 4 p. m. daily. Adults $8, seniors $7, students and children ages 2 to 17 $6.

Burchfield-Penney Art Center, 1300 Elmwood Ave. 10 a. m. to 5 p. m. Tuesday, Wednesday, Friday and Saturday, 10 a. m. to 9 p. m. Thursday, 1 to 5 p. m. Sunday. Adults $9, seniors $6, students $5, free children ages 10 and under.

CEPA Gallery, 617 Main St. 7 a. m. to 9 p. m. Monday through Friday, 8:30 a. m. to 4:45 p. m. Saturday, 10 a. m. to 3 p. m. Sunday. Free.

City Hall, Niagara Square. Free tours at noon daily.

Frank Lloyd Wright’s Darwin Martin House Complex, 125 Jewett Parkway. Considered to be the legendary architect’s greatest prairie-style home. Tours by reservation 11 a. m. and 2 p. m. Monday, Wednesday and Friday, 10 a. m. and 11 a. m. Saturday and 1 p. m. Sunday. Adults $15, seniors $12, students $10. In-depth tour at 1 Saturday, $30, $28, $25. Call 856-3858.

Hallwalls Contemporary Art Center, 341 Delaware Ave. 11 a. m. to 6 p. m. Tuesday through Friday, 11 a. m. to 2 p. m. Saturday. Free.

Roycroft Campus, South Grove and Main streets, East Aurora. The campus seeks to preserve and promote the ideals, traditions, architectural legacy and business skills of Elbert Hubbard and the Roycrofters. The campus, a National Historic Landmark district, contains 14 structures, including the Inn, the Chapel, the Print Shop, the Furniture Shop and the Copper Shop. Currently under restoration. Gift shop and artesian workshops open from 10 a. m. to 5 p. m. daily across from the Roycroft Inn, 40 S. Grove St. Free.

Self-guided downtown walking tours, highlighting Louis Sullivan’s landmark Guaranty Building, Lafayette Square, Ellicott Square, City Hall, St. Joseph’s and St. Paul’s cathedrals and more. Pamphlets available in the Buffalo Niagara Convention and Visitors Bureau gift shop, 617 Main St.

Theodore Roosevelt Inaugural National Historic Site, 641 Delaware Ave. This is where Roosevelt was sworn in as president of the United States after the assassination of William McKinley in 1901 at the Pan American Exposition in Buffalo. The site is open from 9 a. m. to 5 p. m. Monday through Friday, noon to 5 p. m. Saturday and Sunday. Adults $10, students and seniors $7, children ages 6 to 18 $5, children under 6 free.