Take a Street View Tour of an Underground Chapel Built Out of Salt

If opulent isn't an adjective you'd immediately associate with the mining profession, then you've clearly never had a peek inside Poland's Wieliczka Salt Mine. The subterranean marvel (and UNESCO World Heritage Site) has been operational since the first shafts were dug way back in the 13th century, but the decor has come a long, long way in the subsequent years. And now, thanks to Google, we can explore it from afar.