The Eden Project is a collection of giant biodomes in Cornwall, UK. Each domed garden houses a plethora of plants from all over the Earth, including the largest rainforest in captivity - how did I not hear about this while living in England, I'd have like
The Lost Garden of Heligan Cornwall UK . seat of the Tremayne family for more than 400 years, is one of the most mysterious and romantic estates in England. A genuine secret garden, it was lost for decades; its history consigned to overgrowth.