To the chagrin of archaeologists, many of the world's oldest structures remain only in ruins.
The team at Expedia was so interested in learning what ancient landmarks looked like thousands of years ago that the travel company commissioned a series of digital reconstructions of sites like the Parthenon in Athens, Greece, and Egypt's Luxor Temple.
With the help of technology, you can step back through the ages and take in the unspoiled wonder of some of the world's most incredible structures. Read on to see what seven ancient iconic buildings look like now versus how they would have appeared in their glory days.
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The Parthenon in Athens, Greece, was constructed in the 5th century BCE.
Standing tall on the hill of the Acropolis, Athens' ancient citadel, the Parthenon, was dedicated to Athena, the Greek goddess of wisdom and war.
The temple — which is constructed from white marble in the Doric style — sustained damage through the centuries, most notably when its center was destroyed in 1687 during the Great Turkish War.
While it was mostly destroyed, the Parthenon's basic structure has survived.
This is what the Parthenon would look like if its structure was fully intact.
The Temple of Jupiter, dedicated to the Roman god of the sky and thunder, was built in the 2nd century BCE.
A hub of religious life in ancient Rome, the Temple of Jupiter was severely damaged by an earthquake in 62 CE.
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