| Name | Name:Mole Antonelliana | Name:Arecibo Telescope | 
| Height | Height:167 m, (548 ft) | Height:150 m, (492 ft) | 
| Location | Location:Torino, Italy | Location:Arecibo, United States | 
| Year Constructed | Year Constructed:1889 | Year Constructed:1963 | 
| Description | Description:A very tall Masonry building . In 2013 it was the tallest Masonry building in the world. | Description:A very tall Telescope . In 2013 it was the tallest Telescope in the world. | 
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