Mudhouse Mansion near Lancaster Ohio...long abandoned but very carefully guarded. The current property owner lives nearby and will prosecute trespassers. She's been known to have armed security patrolling the area. Such a shame to let such a magnificent structure go to waste.
Amazing Architecture - Grand Staircase in House of Scientists, Lviv (Lemberg), Ukraine <= before 1945 = Lwów, POLAND => see history, actual till today ! https://www.pinterest.com/pin/349803096033334209/ & https://www.pinterest.com/szlachcic/news-ukraine-crisis-media/