There is a very old, extravagant, beautiful church along the Danube River in Northern Austria that could easily be imagined into some future Indiana Jones film—it has just the right mix of creepiness and secrecy.
With its hidden doors and secret staircases, crypt full of skulls, and thousands of tomes yellowed with age, an alluring monastery near the town of Sankt Florian, 10 miles from Linz, may conjure that fedora-wearing archeologist, whip in hand. It even had his nemeses, the Germans, occupying during the war years.