Final answer:
The monument at Alexandria regarded as one of the seven wonders of the ancient world was the Lighthouse of Alexandria.
Step-by-step explanation:
The monument at Alexandria regarded as one of the seven wonders of the ancient world was the Lighthouse of Alexandria. The Lighthouse of Alexandria was a towering structure built in the 3rd century BC on the island of Pharos in Alexandria, Egypt. It served as a navigational aid for ships entering the city's busy harbor.
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