The World’s Largest Collection of Fine Handmade Persian Carpets, Antique Hand Knotted Rugs & Luxury Iranian Carpets. Established in 1841, Heritage Carpet is a 5-generation family-owned Handmade Persian Carpet Group. Heritage Carpet owns the world’s largest collection of fine handmade Persian carpets consisting of classical, antique, and modern varieties of rugs in all sizes and shapes.