Gypsy wagons are experiencing a resurgence in Europe. Wally and Victoria Roth, of Bend, Ore., partnered with a European caravan builder, hoping to capitalize on this recent trend in the United States.

The traditional gypsy caravan has been an eye-catching landmark in the garden of Dunkirk Manor, Amberley, near Nailsworth for the last 20 years. The Cotswold Auction Company has been selling the ...