I'm planning a trip to Kerala and am looking for recommendations on must-visit places. What are the top points of interest in Kerala, and what makes them unique? Please provide information on the following: Backwaters: Best destinations for backwater experiences Popular houseboat routes and activities Recommended duration for a backwater tour Beaches: Most beautiful beaches in Kerala Best beaches for swimming, sunbathing, and water sports Hill stations: Popular hill stations in Kerala Trekking trails, viewpoints, and other outdoor activities Wildlife sanctuaries and national parks: Top wildlife destinations for spotting diverse flora and fauna Best time to visit for wildlife sightings Cultural experiences: Traditional art forms, festivals, and cultural events Opportunities to experience Kerala's rich heritage and traditions