296 historic places
... that there are at least 296 historic places listed on the U.S. National Register in Chicago, including a German U-boat ?
... that there are at least <b id="mwDTE"><a class="mw-redirect" href="./List_of_Registered_Historic_Places_in_Chicago" id="mwDTI" rel="mw:WikiLink" title="List of Registered Historic Places in Chicago">296 historic places</a></b> listed on the <a class="mw-redirect" href="./U.S._National_Register_of_Historic_Places" id="mwDTM" rel="mw:WikiLink" title="U.S. National Register of Historic Places">U.S. National Register</a> in <a href="./Chicago" id="mwDTQ" rel="mw:WikiLink" title="Chicago">Chicago</a>, including a <a class="mw-redirect" href="./Unterseeboot_505" id="mwDTU" rel="mw:WikiLink" title="Unterseeboot 505">German U-boat</a> <i id="mwDTY">(pictured)</i>?