Coimbatore is an industrial city. Within the city, you can explore Brookfield Mall, RS Puram. If you plan a bit, Karamadai, Kovai Kondattam, Black Thunder, Mettu palayam, Ooty. Aanamalai, Polachi, Topslip
You can go to kovai kutralam, Anamalai , ooty , munnar , kodaikanal, Coimbatore is located at center, you can easily access to all these places, Valparai would be best, as you can go to athirapalli falls from there...