Amazon's Treasure Truck is having a Pup Fest, and its first stop is Grand Park in DTLA. The Pup Fest offers a range of bark-a-licious activities designed to delight canines (and their human friends).

The Bachelor's Colton Underwood is on site as the  "Pup Fest" Ambassador on Sunday afternoon.

Treasure Truck entertains pups with obstacle course activities, a tasting kitchen, barkery and photo ops

Treasure Truck is Amazon's rolling retail experience. Dog owners can find offers for their four-legged friends that can be bought on the Amazon app and picked up at the Treasure Truck.

(PARKING for Grand Park is available in Lot 10 on N Broadway between First Street and Temple Street. Parking lot address is 145 N. Broadway, Los Angeles with entrances on Broadway and on Hill St. TAKING THE METRO: Metro Red or Purple Line to Civic Center/Grand Park Station or the Gold Line to Union Station or Little Tokyo/Arts District)