West Baden Springs Hotel
... that the domed atrium of Indiana's West Baden Springs Hotel was the largest free-spanning dome in the United States for over 50 years and in the world from 1902 to 1913?
... that the <a href="./Dome" id="mwA1w" rel="mw:WikiLink" title="Dome">domed</a> <a href="./Atrium_(architecture)" id="mwA10" rel="mw:WikiLink" title="Atrium (architecture)">atrium</a> of Indiana's <b id="mwA14"><a href="./West_Baden_Springs_Hotel" id="mwA18" rel="mw:WikiLink" title="West Baden Springs Hotel">West Baden Springs Hotel</a></b> <i id="mwA2A">(inside pictured)</i> was the largest free-spanning dome in the <a class="mw-redirect" href="./List_of_largest_domes_in_the_world#North_America" id="mwA2E" rel="mw:WikiLink" title="List of largest domes in the world">United States</a> for over 50 years and in <a class="mw-redirect" href="./List_of_largest_domes_in_the_world#World's_largest_domes_in_history" id="mwA2I" rel="mw:WikiLink" title="List of largest domes in the world">the world</a> from 1902 to 1913?