Rig TV

Sutter's gold; Civil War drum; Native American stickball sticks; dolphin skull reveals discovery of a new species of dolphin.

America's Lost Treasures

Burbank, California

Collectors from Delaware present a collection of historical and unique artifacts, including a goblet worth $80,000.

Wilmington, Delaware

Artifacts from the 1893 World's Fair in Chicago and a piece of a Japanese zero plane.

Milwaukee

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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 E5 | Wilmington, Delaware

E9 | Burbank, California

E5 | Wilmington, Delaware

E2 | Milwaukee