| Name |
Categories |
Date Added |
|
|
|
| African American History: Underground Railroad Sites | History Travel and Tourism
| February 6th, 2006 |
| Al-Qaeda Terror Attacks | History
| September 7th, 2011 |
| American Revolutionary War Battle Sites, Memorials and Museums | History Travel and Tourism
| September 9th, 2009 |
| Aviation and Space Museums and Attractions | History Travel and Tourism
| July 18th, 2011 |
| Cemeteries , Graveyards, and Burial Grounds | History
| August 18th, 2008 |
|
|
|
|
| Chinatowns | Travel and Tourism History
| January 13th, 2012 |
| Cities and Towns with High Percentage of Foreign Ancestry Populations | History Destinations
| January 8th, 2010 |
| Civil War Battles and Battlefields | Civil War History
| December 12th, 2005 |
| Civil War Events | Civil War History
| April 12th, 2011 |
| Civil War Sites | History Civil War Travel and Tourism
| December 12th, 2005 |
| Covered Bridges | Travel and Tourism History
| August 18th, 2008 |
| Distinctive Destinations - National Trust for Historic Preservation | Travel and Tourism History
| May 9th, 2008 |
| Distinctive Destinations from the National Trust of Historic Preservation | Historic Preservation History Travel
| February 22nd, 2012 |
| Earthquake Map | Nature History Education
| May 16th, 2006 |
| Historic Hotels of America | Historic Preservation History Lodging Luxury Goods and Services
| March 8th, 2012 |
| Historic Hotels of America Hotels and Inns | Historic Preservation History Lodging
| May 8th, 2008 |
| Historic Sites of the Civil Rights Movement | History Black History Travel and Tourism
| January 11th, 2008 |
| Lewis and Clark Expedition | History Travel and Tourism
| January 16th, 2006 |
| Lighthouses | Travel and Tourism History Vacation
| December 20th, 2005 |
| Living History Museums, Farms and Outdoor Reenactments | History Travel and Tourism
| June 30th, 2009 |
| Major Oil Spills throughout History | History
| June 18th, 2010 |
| Marthin Luther King Jr Day Events (MLK) | History Holidays
| January 7th, 2008 |
| MTA Long Island Rail Road Stations | Travel and Tourism History
| June 12th, 2009 |
| Museum Ships | Boating Historic Preservation History
| September 6th, 2012 |
| Museums | Arts and Humanities History Family Fun
| March 22nd, 2006 |
| National Historic and National Nature Areas | Nature History Travel and Tourism National Recreation Sites
| April 12th, 2011 |
| National Trust for Historic Preservation Properties | Historic Preservation History Travel
| March 7th, 2012 |
| Oldest Buildings In America | Architecture History
| April 22nd, 2011 |
| Preserve America Communities | Historic Preservation Travel and Tourism History
| March 1st, 2012 |
| Presidential Birthplaces | United States Presidents Presidents Day History
| January 16th, 2006 |
| Presidential Burial Sites | United States Presidents Presidents Day History
| January 16th, 2006 |
| Presidential Libraries | United States Presidents Presidents Day History
| January 16th, 2006 |
| Railroad Attractions: Excursion Trains, Scenic Railway Tours; Railroad Museums; Historic Railroad Locations | History
| December 20th, 2005 |
| State Capitols | History Travel and Tourism
| January 16th, 2006 |
| Unesco Heritage Sites | Historic Preservation History Travel
| July 14th, 2009 |
| Veterans Day Parades | History Government Holidays
| October 31st, 2009 |
| Vintage and Antique Car Museums | Automobiles History Family Fun
| June 13th, 2006 |
| War of 1812 Events | Travel and Tourism History Events Military
| February 2nd, 2012 |
| War of 1812 Sites | History Destinations History Military Travel and Tourism
| February 3rd, 2012 |