This is a list of bridges and tunnels on the National Register of Historic Places in the U.S. state of Indiana. Map all coordinates using OpenStreetMap...

is a list of properties and districts in Indiana that are listed on the National Register of Historic Places. There are over 2,000 in total. Of these...

list of properties and districts listed on the National Register of Historic Places in Pennsylvania. As of 2015[update], there are over 3,000 listed sites...

a list of bridges and tunnels on the National Register of Historic Places (NRHP) in the U.S. state of Pennsylvania. Covered bridges on the NRHP in Pennsylvania...

list of properties and historic districts in Tennessee that are listed on the National Register of Historic Places. There are over 2,000 in total. Of...

The National Register of Historic Places in the United States is a register including buildings, sites, structures, districts, and objects. The Register...

The National Register of Historic Places (NRHP) is the United States federal government's official list of districts, sites, buildings, structures, and...

the Historic American Engineering Record in Alabama List of bridges on the National Register of Historic Places in Alabama List of crossings of the Tennessee...

a list of covered bridges on the National Register of Historic Places in the U.S. state of Pennsylvania. Other bridges and tunnels on the National Register...

list of archaeological sites on the National Register of Historic Places in Indiana. Historic sites in the United States qualify to be listed on the National...