Aerial of Matthildenhoehe, UNESCO World Heritage Site, Darmstadt, Hesse, Germany, Europe

matthildenhoehe darmstadt germany architecture aerial view heritage site european culture green roof gardens landscape design historical site travel destination urban design art nouveau modern architecture outdoor space botanical gardens cultural heritage tourism hesse cityscape exploration nature architecture lovers landscape architecture architectural landmark public park design innovation architecture history city planning cultural significance tourism attraction gardening outdoor aesthetics heritage conservation landmark historical architecture nature integration aesthetics architectural beauty iconic buildings serene environment