The attribution to Bacchus -- the Roman god of wine, ecstasy, and ritual madness -- rests largely on the carved dancing Maenads that decorate the interior parapets. These wild-haired followers of Dionysus (Bacchus's Greek counterpart) appear in stone relief along the inner walls, frozen mid-dance for nearly two millennia. The temple sits within the larger Baalbek complex in the Beqaa Valley, about 85 kilometers northeast of Beirut, at an elevation where the Lebanese mountains begin to flatten into the Syrian plateau. Roman Emperor Antoninus Pius probably commissioned it around the mid-second century AD. It was part of a sacred precinct that already included the colossal Temple of Jupiter next door -- making Baalbek one of the most ambitious religious building projects on the Roman Empire's eastern frontier.

The temple continued in use for roughly four centuries before fire destroyed it in 554 AD. Then it vanished from the historical record. No written account mentions the site until the fourth century, and after the fire, the rubble of surrounding structures may have paradoxically preserved the temple by burying and shielding it. The Beqaa Valley changed hands repeatedly -- Arab, Crusader, Ottoman -- and Baalbek's temples endured as a quarry and fortress. It was not until a German archaeological expedition arrived between 1898 and 1903 that serious excavation began. In 1920, the newly proclaimed State of Greater Lebanon took formal custody of the site, mandating protection and repair. Then came the mid-1970s and the Lebanese Civil War. The Beqaa became a stronghold for Palestinian and Syrian forces, and formal conservation stopped. UNESCO inscribed Baalbek as a World Heritage Site in 1984, even as conflict continued around it.

Walk inside and the scale shifts again. The cella -- the enclosed inner chamber -- is decorated with Corinthian pilasters flanking two tiers of niches on each side. A 98-foot nave leads to a 36-foot adytum, the innermost sanctuary, raised five feet above the main floor and reached by 13 steps. The entablature the columns support is a catalog of Roman ornamental ambition: a three-banded frieze alternating bulls and lions, a cornice thick with geometric and floral patterns, an architrave of carved stone that somehow feels both heavy and intricate. Among the most unexpected details are four sculptures within the peristyle believed to depict Acarina -- mites -- making them the earliest known representations of these creatures in architecture. Why mites appear on a temple to the god of wine remains an open question.

Baalbek's modern history mirrors Lebanon's own turbulence. The Baalbek International Festival, launched in 1956, brought orchestras and dancers to perform among the columns -- a scene of cultural optimism that the civil war interrupted. The site has survived not only the original fire of 554 and centuries of neglect, but also the earthquakes of 1759 that cracked its great doorway, the artillery exchanges of the 1980s, and the conflict of 2006. Each era leaves its mark. The keystone of the entrance lintel, which slid two feet during the 18th-century earthquakes, still sits slightly askew, held in place by a support column that now obscures the eagle carving beneath. Restoration and damage have layered upon each other so many times that the temple has become a record of every force -- geological, military, cultural -- that has passed through the Beqaa Valley.