One of Philadelphia's iconic masterpieces of contemporary art, Bruce Nauman's The True Artist Helps the World by Revealing Mystic Truths (1967) at the Philadelphia Museum of Art
The entrance to the new Barnes Foundation building, designed by Tod Williams and Billie Tsien, who you may know from the beleaguered Folk Art Museum
A painted frieze by Matisse in the Barnes's first gallery
The famous opening salon at the Barnes, with Seurat's Les Poseuses (1886-1888) against the far wall
Lots of Renoir at the Barnes, eh?
A good Renoir
Alfred Barnes collected objects from throughout art history from as many continents as his purchases could penetrate.
Matisse's Le Bonheur de Vivre (1905-6) is possibly the Barnes's greatest masterpiece
Duchamp's revolutionary readymade at the Philadelphia Museum of Art
The grand Duchamp room, the envy of any museum in the world, anchored by the legendary The Bride Stripped Bare by her Bachelors, Even (aka "The Large Glass") (1915-23) at the far right
The door one must peer through to see Duchamp's secret late opus, Étant donnés (Given: 1 The Waterfall, 2. The Illuminating Gas (1946-66)
This is what you see when peeping through the holes. The meaning of the splayed nude and its attendant iconography is a mystery Duchamp took to the grave.
Twomby's magnificent "50 Days at Ilium" room at the Philadelphia Museum of Art
Christopher Knowles at Audio Visual Arts Gallery in New York
The pop-up show of Italy's Monitor Gallery on Rivington Street
A gorgeous wall piece by Julia Bland in On Stellar Rays's new group show with Dubai's Sun/Ra gallery
Julien Bismuth's silkscreen painting at Simone Subal (made with real silkscreen, as in one taped to its surface)
Park McArthur's "Ramps" show at Essex Street required visitors to the opening to step gingerly over wheelchair-access ramps that the artist arrayed around the space.
A splendid Shawn Powell at Chapter NY
The beginning of "Ode to Joy," a performance by Ei Arakawa and Nicolás Guagnini at David Lewis Gallery that featured Richard Aldrich, Lola Kramer, Piper Marshall, and Aura Rosenberg
The end of the performance, with scissored balloon carcasses strewn everywhere
Bruce Nauman's new video at Sperone Westwater
From the "Between the Lines" group show at Tanya Bonakdar
The scene at the opening of the White Columns Annual, curated by the amazing Pati Hertling
A piece by the exciting artist Alicia McCarthy at White Columns
Another intricate piece by McCarthy
A performance at White Columns in which Malin Arnell offered to slow-dance with anyone who asked her in front of two industrial fans (next to a banana peel, though unclear if that was part of it)
A spellbinding drawing by Raha Raissnia at White Columns
Just some pickled tape by Tony Conrad