The Atlas Obscura covers places in numerous countries on all seven continents. If you are in Germany you should check out the Waldspirale, an incredible apartment complex designed by Austrian artist and architect Friedenshreich Hundertwasser, full of life, literally. The apartment complex has trees and other greenery built into it.
The user can search by place or type of attraction and the site is full of interactive maps. Check it out before your next trip or just because.