What are those colorful sculptures popping up around the Upper West Side?

If you’ve recently strolled up Broadway uptown and thought, 'Wait, was that giant pink blob always there?', you’re not hallucinating. Five vibrant, large-scale sculptures have officially taken up residence on the Upper West Side, courtesy of a new public art installation titled Broadway Hubbub.

The eye-catching outdoor exhibition, which opened Friday, is a collaboration between sculptor Carl D’Alvia, the Broadway Mall Association, NYC Parks’ Art in the Parks program, and Tribeca’s Hesse Flatow gallery. The works are scattered across five central Broadway malls, stretching from 64th to 117th Streets, specifically at Dante Park (64th Street), Verdi Square (72nd Street), 79th Street, 103rd Street and Columbia University-adjacent 117th Street.

The sculptures are part of D’Alvia’s Liths series, known for blending monumental scale with playful, human-like forms. Made from aluminum and coated in gleaming auto paint, the works range from 5 to 12 feet tall and boast names like Hot Rod and Tandem. Think monolithic meets whimsical—more Calder in a wind tunnel than classical marble god.

“I’ve always seen these large works being out in the world with us,” D’Alvia said of the project, in a statement released by the gallery. “Itinerant characters who slouch, bend and wander… while holding a sort of sculptural mirror up to us.” And what better runway than Broadway itself? “There’s only one Broadway,” he added.

This is the 15th installation in the Broadway Mall Association’s Art on the Malls series, which has brought bold, contemporary sculpture to the leafy Broadway median since 2005. Past artists have included Chakaia Booker, Frank Benson and Sean Scully. The BMA, which maintains the 83 central malls from 70th to 168th Streets, aims to use public art to reflect the eclectic neighborhoods of the Upper West Side and beyond.

The Broadway Hubbub sculptures will be on view through November, so you’ve got time to take a stroll and a selfie or two. Whether you're a seasoned art lover or just passing by on your coffee run, it’s worth looking up: Broadway’s got a few new characters—and they’re anything but subtle.