The document provides a history of garden styles from ancient times to the present. It begins with the earliest gardens in Egypt around 3000 BC, which were utilitarian enclosures for growing food and keeping animals. The Persian and Mughal gardens that followed incorporated flowing water and formal, geometric designs divided into four sections. Notable Mughal gardens included the Shalimar Bagh known for its terraces and fountains, and Humayun's and Akbar's tomb gardens which featured water channels and plants. The document examines the elements, styles and examples of different historical garden types on multiple continents over thousands of years.