Villa d'Este is a sumptuous 16th century mansion in Tivoli, about an hour outside of Rome, Italy. It's home to a breathtaking Italian Renaissance garden called Villa d'Este Gardens or the Tivoli Gardens. This UNESCO World Heritage Site has terraced hillside gardens, more than 500 fountains and a unique water feature called the Fountain of the Organ, complete with a 1571 water organ installed inside, that trumpets and plays Renaissance music. Would you like to see this music playing fountain?

Alnwick Garden was once part of the estate of Alnwick Castle, and these spectacular gardens date back to 1750. They're located in Northumberland, England and are a source of inspiration for all lovers of gardens. There are water sculptures, quirky antique furniture in the country garden, one of the world's largest treehouses (the lunch restaurant), a cherry orchid, the vegetable garden and the popular bamboo maze. Have you ever been in a maze?

Brisbane Botanic Gardens in Brisbane, Australia spreads out over 138 acres, featuring a standout Japanese garden, waterfalls, a fern house, arid garden with aloes and succulents, bamboo grove and the largest collection of Australian native rainforest trees in the world. Have you ever visited Australia?