<![CDATA[<br>Source: Wikipedia article <a href="https://de.wikipedia.org/wiki/Alibates_Flint_Quarries_National_Monument">Alibates Flint Quarries National Monument</a>]]>
<![CDATA[<br>Source: Wikipedia article <a href="https://de.wikipedia.org/wiki/Bedford_Village_Archeological_Site">Bedford Village Archeological Site</a>]]>
<![CDATA[<br>Source: Wikipedia article <a href="https://de.wikipedia.org/wiki/Chaco_Culture_National_Historical_Park">Chaco Culture National Historical Park</a>]]>
<![CDATA[<br>Source: Wikipedia article <a href="https://de.wikipedia.org/wiki/Clough_Creek_and_Sand_Ridge_Archeological_District">Clough Creek and Sand Ridge Archeological District</a>]]>
<![CDATA[<br>Source: Wikipedia article <a href="https://de.wikipedia.org/wiki/Fort_McHenry_National_Monument_and_Historic_Shrine">Fort McHenry National Monument and Historic Shrine</a>]]>
<![CDATA[<br>Source: Wikipedia article <a href="https://de.wikipedia.org/wiki/Malheur_National_Wildlife_Refuge">Malheur National Wildlife Refuge</a>]]>
<![CDATA[<br>Source: Wikipedia article <a href="https://de.wikipedia.org/wiki/Natural_Bridges_National_Monument">Natural Bridges National Monument</a>]]>
<![CDATA[<br>Source: Wikipedia article <a href="https://de.wikipedia.org/wiki/Naval_Air_Weapons_Station_China_Lake">Naval Air Weapons Station China Lake</a>]]>
<![CDATA[<br>Source: Wikipedia article <a href="https://de.wikipedia.org/wiki/Ocmulgee_Mounds_National_Historical_Park">Ocmulgee Mounds National Historical Park</a>]]>
<![CDATA[<br>Source: Wikipedia article <a href="https://de.wikipedia.org/wiki/Saugus_Iron_Works_National_Historic_Site">Saugus Iron Works National Historic Site</a>]]>
<![CDATA[<br>Source: Wikipedia article <a href="https://de.wikipedia.org/wiki/Strawberry_Chapel_and_Childsbury_Town_Site">Strawberry Chapel and Childsbury Town Site</a>]]>
<![CDATA[<br>Source: Wikipedia article <a href="https://de.wikipedia.org/wiki/Wickliffe_Mounds_State_Historic_Site">Wickliffe Mounds State Historic Site</a>]]>
