From a mansion surrounded by wildflower lawns and rare trees to a city centre oasis with waterfalls and great views
1 Tremenheere Penzance, Cornwall This 22-acre subtropical garden is planted with unbelievably rare varieties, including a fantastic display of palm trees. Be sure to go into the subterranean Skyspace, designed by the American installation artist James Turrell, and in the silence watch the clouds drift across the perfect open oval of the roof. Mystical. Open daily 10am-5pm; adult £8, child £4.50, under-11 free; tremenheere.co.uk
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