Sydney offers many interesting sites to visit including the Opera House, Darling Harbour marine life, museums, and beaches. Climbing the Sydney Tower provides panoramic views of the entire city. The Blue Mountains give scenic views of valleys. The climate in Sydney is one of the most pleasant in Australia. The Gold Coast is popular among surfers and for its beaches. Other attractions include theme parks and nightlife in Surfers Paradise. The hinterland mountains and national parks provide opportunities to observe diverse wildlife and flora.