Mahabaleshwar -
Small hill station, popular for view points, water fall, forts, lakes, strawberries. Panchgani is less than half hour & is known for colonial British structures, Parsi houses, natural beauty & boarding schools. Its known for fresh and clean air.
Lonavala & Khandala -
Apart from points, Lonavala is famous for dam (e.g. Bushy dam), celebrity wax museum, Amby valley & chikki.
Khandala is famous for its misty mountains & reversing station (a spot used earlier by Railways but now a scenic point).

Aurangabad -
Historical city, famous for Ajanta & Ellora caves. Grishneshwar temple (one of the 12 jyoti lingas), Mausoleums of Aurangzeb and Bibi-Ka-Maqbara (mini taj mahal, built for Aurangzeb's wife).
Alibag -
Famous for beaches, water sports & villa stays. Known also as mini-Goa.
Daman -
Famous for beaches, light house & cheap liquor.
Nashik -
Very popular for Sula vineyards, has a resort & wine tasting.