San Diego’s Grand Del Mar resort recently opened the Equestrian Center—a 4,100-acre reserve with 37 miles of trails for horseback riding lessons, rides, and other programs. Its activities range from a 15-minute pony ride for to a three-hour class covering barn safety, horse grooming and bathing, riding pointers, games, …

A new Relais & Châteaux hotel, Villa Clarisse, opens June 1 in the historic port of Saint Martin de Ré. The restored 17th-century property has nine rooms and suites (starting at approximately 0 per night) that feature views over UNESCO World Heritage Site Île de Ré—a sliver of land stretching …