This illustration shows the construction of Sebastos Harbor in ancient Caesarea, now in Israel. When Herod the Great built Sebastos Harbor in the 1st century BCE, it was the largest artificial harbor in the world and was home to a thriving commercial and shipping industry. Unfortunately, the harbor was built over a geological fault line and suffered many earthquakes. Today the magnificent structure lies in ruins.

Illustration by Robert J. Teringo, National Geographic

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harbor
harbor Encyclopedic Entry

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5 - 12 and up

Subjects
Geography

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A harbor is a body of water sheltered by natural or artificial barriers. Harbors can provide safe anchorage and permit the transfer of cargo and passengers between ships and the shore.