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Curt and Kinga hold an open call at the historic Union Station in Kansas City, Mo. in search of Native Americans and outlaws.

America's Lost Treasures

Kansas City

A letter seal used by Robert Morris; George Washington's engraving used in the first dollar bill.

Philadelphia

Curt and Kinga find a wealth of artifacts at the Savannah History Museum.

Savannah

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There are hidden national treasures all across the United States, in basements and barns, attics and backyards, just waiting to be uncovered and recognized for their true historic value. National Geographic Channel is on a mission to find them in this series produced by Thom Beers' Original Productions ("Deadliest Catch," "Storage Wars"). Hosts Curt Doussett and Kinga Philipps visit one city per episode in search of unique, mysterious and unusual collectibles and heirlooms, and with the help of curators, appraisers and other experts, Doussett and Philipps trace the history and value of three museum-worthy items. The one deemed the most significant in American history wins its owner $10,000 as special recognition for the artifact's importance.

S1 E6 | Philadelphia