Name | Name:Aon Center (Chicago) | Name:St. Nikolai |
Height | Height:346 m, (1,135 ft) | Height:147 m, (482 ft) |
Location | Location:Chicago, United States | Location:Hamburg, Germany |
Year Constructed | Year Constructed:1973 | Year Constructed:1846–1874 |
Description | Description: | Description:Tallest freestanding structure on land from 1874 to 1876 |