#4. Hallgrimskirkja Iceland Church: Hallgrímskirkja is a Lutheran (Church of Iceland) parish church in Reykjavík, Iceland. At 74.5 metres (244 ft) high, it is the largest church in Iceland and among the tallest structures in the country , The church is named after the Icelandic poet and clergyman Hallgrímur Pétursson (1614–1674), author of the Passion Hymns , State Architect Guðjón Samúelsson's design of the church was commissioned in 1937. He is said to have designed it to resemble the trap rocks, mountains and glaciers of Iceland's landscape The design is similar in style to the expressionist architecture of Grundtvig's Church of Copenhagen, Denmark, completed in 1940.