1. The Church of Hallgramur (Reykjavak, Iceland) Embed Image The Church of Hallgramur is a Lutheran parish church which is also a very tall one, reaching 74.5 meters (244 ft) height. It is the fourth tallest architectural structure in Iceland. It took incredibly long to build it (38 years!) Construction work began in 1945 and ended in 1986.2. Las Lajas Cathedral (Colombia, South America)