The National Botanic Gardens are located in Glasnevin, County Dublin and are noted for their fine plant collections holding more than 15,000 plant species and cultivars from a variety of habitats from around the world.Conservation plays an important role in the life of the botanic garden and it is home to 300 endangered plant species from around the world including six species that are already extinct in the wild. The glass houses are stroller accessible but there are some steep gradients. Admission is free. Car parking is available for a small fee.