National Orchid Garden, a key feature of the Singapore Botanic Gardens, is celebrated for its groundbreaking work in orchid conservation. This 82-hectare park plays a crucial role in orchid hybridization, utilizing advanced in vitro techniques developed in its laboratories. The garden not only pioneers in plant care processes but also contributes significantly to horticulture practices. It holds a prominent place in Singapore's history and continues to advance botanical and horticultural work, contributing to the vision of being a leading tropical botanical garden globally. On July 4, 2015, the Singapore Orchid Garden was designated a UNESCO World Heritage site, marking it as the first tropical botanical garden to receive this prestigious recognition. It is now listed alongside the Orto Botanico di Padova and the Royal Botanic Gardens, Kew, as one of the world’s significant botanical gardens. The garden offers unique tours every Saturday, except for occasional breaks. These tours provide visitors with a tranquil environment to explore and learn about the diverse orchid species. To participate, it is advisable to arrive early as registration opens 15 minutes before the tours start.