Royal Botanic Gardens, Kew

"Enter the Royal Botanic Gardens, as Kew Gardens are officially known, and you are enveloped by blazes of color, extraordinary blooms, hidden trails, and lovely old follies." Full review

"Victorian-era greenhouses and the sprawling grounds overflow with 33,000 species of flowers, plants, and trees (the world’s largest living collection)." Full review

"Kew Gardens is a magnificent World Heritage Site covering 300 acres with over 30,000 species of plants." Full review

"These botanical gardens host the largest collection of plants in the world, and visitors can eat up gorgeous assemblages of roses, orchids, and cacti (or be eaten up by the carnivorous plants)." Full review

" Built between 1844 and 1848, it houses practical tropical species (coffee, cocoa) and more ornamental varieties." Full review