On Wednesdays throughout the summer, you can see the Ara Pacis — the elaborately-carved, beautifully-preserved ancient altar dating from 9 B.C. — as it was meant to be seen: with color.

It's hard enough to imagine ancient Rome as it would have been: marble temples, colossal monuments, extraordinary baths. But what most visitors to Rome don't realize is that you have to take something else into account, too. You have to imagine everything painted. That's right: everything. The monuments, the sculptures, the buildings. It wasn't all shining white marble; it was also reds and yellows and blues. And greens and purples and pinks. And….

The difference that color makes is dramatic. There may be no better example of that than the Ara Pacis. Created in honor of Emperor Augustus in 9 B.C., the monumental altar symbolizes the peace and prosperity that the first emperor brought about. When you go to see it at the Museum of the Ara Pacis, it appears elegant and elaborate — but when it was painted, it would have been much more than that. It would have been striking in its vibrance.

Don't believe me? Here's the panel of Aeneas sacrificing to the Penates (the household gods), with color and without, left. The color makes a big difference, no?

From now until September 8, from 9pm to midnight (last entrance 11pm), on Wednesdays only, you can see the Ara Pacis colored as it would have been (or so the best guesses have it) with lasers. At € 8 for the entrance, it's pricier than the usual € 6.50 entrance. But unless you want to get a super-close look, you don't even have to pay: Standing outside the glass-walled Museum of the Ara Pacis might be good enough.

Either way, make sure you see it. It's a special event, and it ends soon.

For more information, click here. For a map, click here.

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