| Name | Name:Gateway Arch | Name:St. Nikolai |
| Height | Height:192 m, (630 ft) | Height:147 m, (482 ft) |
| Location | Location:St. Louis, United States | Location:Hamburg, Germany |
| Year Constructed | Year Constructed:1965 | Year Constructed:1846–1874 |
| Description | Description:A very tall Monument . In 2013 it was the tallest Monument in the world. | Description:Tallest freestanding structure on land from 1874 to 1876 |
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