The upscale, 31-room Hotel Benessere Oste del Castello is a retreat located in an 18th-century building in a small village at the top of a hill, overlooking the hills of Le Marche. Romantic amenities include an intimate "wellness grotto" with a hot tub and sauna plus a well-known restaurant set in a charming cellar. Rooms are rustic and chic, including one in an ancient tower, with minibars and flat-screen TVs (some have big soaking tubs). Particularly suited for couples, this escape has a free breakfast buffet and free Wi-Fi.