Terra Nostra botanical gardens 

Furnas, Sao Miguel Island, Azores

These stunning botanical gardens and large geothermal pools with brownish iron-rich water at a temperature of around 40°C. was built in the 18th and 19th centuries. We highly recommend that our guests visit Parque Terra Nostra which is open to day visitors or to guests of the Hotel Terra Nostra 24hrs a day. More information about the parque can be found here: Terra Nostra Garden | Thermal Water Pool (parqueterranostra.com)