Almere, Italy
The Green Cathedral or De Groene Kathedraal located near Almere in the Netherlands, is an artistic planting of Lombardy poplars (Populus nigra italica) that mimics the size and shape of the Cathedral of Notre-Dame, Reims, France. The Green Cathedral is 150 m (490 ft) long and 75 m (246 ft) wide, and
the mature poplar trees are about 30 m (98 ft) tall.
Listen to the audio guide for The Green Cathedral Free on WIP — starts by itself when you arrive, even with the screen off