Kew gardens andamp palace ticketsr r kew gardens is londonandrsquos largest unesco world heritage site and one of the most famous gardens in the worldr r with lots to see and do for visitors of all ages itandrsquos a perfect day out for the whole familyr r wander along the gardensandrsquo towering tree top walkway or stroll through the 326 acres of land where youandrsquoll find plenty of peaceful spots to enjoy a picnic or just relaxr r even if the weather is less than perfect thereand