Nan Goldin and Tracey Emin are among artists donating their work in support of British publisher Gigi Giannuzzi, who was recently diagnosed with cancer. Proceeds from the auction later this month will go toward Giannuzzi’s treatment.

TIME takes a look at Carrie Mae Weems’ career and her upcoming book, Carrie Mae Weems: Three Decades of Photography and Video, in which she dares “her viewer to rethink their understanding and the positioning of contemporary art practices.”

Tatzu Nishi’s new work reimagines the statue of Christopher Columbus in NY’s Columbus Circle in a more intimate setting: a 13-foot Columbus is now on view at the top of six flights of stairs in a fully furnished (yet fictional) living room.

Spain’s DIY restorer—an octogenarian whose effort to fix a 19th-century fresco of Christ sparked attention worldwide—now reportedly wants to profit from it. She’s claiming copyright—and a cut of proceeds from the donation box beside the piece.

Guerrilla art labels are popping up around LA, claiming city features are really works by the likes of Yoko Ono and Andy Warhol. One, next to a plot of 16 “thirsty” palm trees, is attributed to Chris Burden for its similarity to his lamp post installation at LACMA.

The Jara Mosque in Gabes, Tunisia is home to a new mural. Its minaret—the tallest in the country—now features a “calligraffitied” verse from the Quran about tolerance. Artist el Seed, who created the piece, says his “goal was to bring people together.”