Region
- 7th Street (Philadelphia, Pa.) 1 results
- Abbott Farm National Historic Landmark (Hamilton (Mercer County, N.J.)) 1 results
- Abbott Farm National Landmark (Trenton, N.J.) 1 results
- Afghanistan 1 results
- Africa 3 results
- Africa, North 1 results
- Afrique 1 results
- Alabama 3 results
- Alaska 1 results
- Albany 1 results
- Albany (N.Y.) 1 results
- Albemarle County (Va.) 1 results
- Allemagne 1 results
- America 40 results
- American Bottom (Ill.) 1 results
- América 1 results
- Amérique 13 results
- Amérique du Nord 9 results
- Amřique du Nord 1 results
- Amérique du Nord 1 results
- Anau (Turkménistan : Site archéologique) 1 results
- Anau Site 1 results
- Anau Site (Turkmenistan) 1 results
- Andes Region 1 results
- Anglesey (Gwynedd) 1 results
- Anglesey (Wales) 1 results
- Angleterre 3 results
- Annapolis 1 results
- Annapolis (Md.) 1 results
- Antique Row (Philadelphia, Pa.) 2 results
- Appleby (England) 1 results
- Arch Street (Philadelphia, Pa.) 1 results
- Arizona 3 results
- Arkansas 6 results
- Asheville 3 results
- Ashkhabadskai͡a oblastʹ 1 results
- Ashkhabadskai︠a︡ oblastʹ 1 results
- Athens 1 results
- Athens (Pa.) 1 results
- Atlantic City 1 results
- Baltimore 1 results
- Barbados 1 results
- Bedford County (Va.) 1 results
- Berks County 2 results
- Berks County (Pa.) 2 results
- Berkshire 2 results
- Berkshire (England) 2 results
- Bethlehem 2 results
- Beverwyck (N.Y.) 1 results
- Blueberry Hill Site (Dover, Del.) 1 results more…