At 175 feet, Wellington Monument is the tallest three-sided obelisk in the world. The foundation stone was laid in 1817 and it was finally finished in 1853 after more than three decades of building work.
At 175 feet, Wellington Monument is the tallest three-sided obelisk in the world. The foundation stone was laid in 1817 and it was finally finished in 1853 after more than three decades of building work.