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The spacious galleries here reopen in late 2006, but Dia has another museum in Beacon, NY.

The mansion of industrialist Henry Clay Frick, with indoor garden court and reflecting pool, is the setting for his exceptional collection of Old Masters, French furniture, and Limoges enamels. Look for Rembrandt, Vermeer, and Hals in the West Gallery; Holbein, Titian, and Bellini in the Living Hall.

Expect big names and equivalent price tags at this blue-ribbon gallery with two locations, two floors uptown and a Chelsea address with the lofty spaces necessary for exhibiting large-scale art. Damien Hirst, Anselm Kiefer, Richard Serra, and Cy Twombly are among the contemporary artists represented.

Two floors of retrospectives and changing exhibits.

Thirteen galleries and a serene Japanese sculpture garden.

A collection of Tibetan art in a Himalayan-style building with a garden.

This top-of-the-art-world gallery, representing artists including Larry River, Red Grooms, R.B. Kitaj, and Marisol, has opted for two locations. The Midtown gallery has shown work by sculptors such as Anthony Caro and Jacques Lipschitz. New sculpture and paintings are found at the Chelsea location.

The 57th Street gallery shows established luminaries, while this downtown satellite has new sculpture and painting (see Marlborough).

One of the art world’s big names has deserted SoHo for a sleek Chelsea gallery where work on show still has a downtown edge and talented newcomers share space with established artists. Occasional intriguing group shows, assembled by independent curators, include sculpture, photography, and painting.

This was the first commercial gallery to open in Chelsea, in a converted garage, in 1994. Marks specializes in showing big-name artists such as Ellsworth Kelly, Willem de Kooning, Lucian Freud, and Brice Marden. There is now a second two-story location in a former knife factory on 24th Street. In this building, new works by painters, photographers, and sculptors are currently being exhibited.