The London Mithraeum, a Roman temple dedicated to the mysterious god Mithras, was discovered in 1954 during post-war reconstruction. At first mistaken for an early Christian church, it soon became ...

Six decades after this Roman-era temple was unearthed under the streets of London—and then put on display atop a parking structure—it’s back in its original home 23 ft. below what is now 12 ...