By definition, botanical gardens are gardens where a variety of plants are collected, cultivated, and displayed for education and research purposes. Here is a list of the top 15 US botanical gardens showing how biodiverse and dynamic the United States (America) plant life is.
Zoos serve as a home for numerous animals. It is no denial that the United States is a home to some of the world-class zoological parks in the world. To help you choose the perfect (and possibly the nearest) zoo to visit, here are the top 15 best zoos in the US with direct website references.