Discover never-before-aired appraisals from all six Season 21 cities. Which is the top find?.

Travel across America - and back in time - with appraisals from all 50 states. One is $130,000-$180,000!.

Celebrate America's hidden treasures from all 50 states, including a $125,000 find.

Journey to 2002 to learn how past appraisals fare in today's market, plus a $75,000-$125,000 find!.

Travel back 15 years to see memorable treasures including an appraisal that jumps to $70,000!.

Uncover how appraisals from 15 years ago have held up in the rising and falling antiques market.

Learn how the antiques market has evolved in the last 15 years. One appraisal has increased $50,000!.

See memorable finds appraised 17 years ago, including one item that adds $165,000 to its valuation.

Joe Strummer's boots, a Ned Hanlon championship group, and Grant Wood lithograph. Which is $200,000?.

A 1554 Giorgio Ghisi engraving after Bronzino, a Louis Vuitton steamer trunk, ca. 1890, and a 1962 Mercury Space Capsule antenna

John Wayne mugs, a Frank McCarthy oil and Albert Einstein letters. Which is worth up to $100,000?.

Watson & Crick-signed ``Double Helix'' books; art deco jewelry suite circa 1930; Japanese Arita porcelain vase circa 1910.

Cartier art deco diamond bracelet; Zee Wo Silver & Cinnabar cutlery set circa 1920; a 1959 No. 1 Barbie doll and accessories.

A 1966 Roy Lichtenstein screen print; a NASA Apollo archive circa 1965; Tiffany Studios mosaic panel circa 1905.

A 1965 Noah Purifoy sculpture; Carroll O'Connor's Archie Bunker coat, circa 1970; Franz Bergman foundry Vienna bronze lamp circa 1920.

An 1898 Alphonse Mucha JOB poster; a 1974 George Nakashima "Kent Hall'' floor lamp; a 1961 Ty Cobb-signed baseball.

A 1952 Joe Louis-signed whiskey bottle; Sheraton sideboard circa 1820; a 1928 New York Yankees team-signed baseball.

A Rockwell self-portrait, a signed Indy 500 flag, and a Victorian wedding outfit. One's the top find!.

Learn about historical items from on and off the battlefield during the tumultuous Civil War years.

An 1864 Civil War statue hilt presentation sword; a 1936 Joe Fortenberry Olympic gold medal; James Madison's personal seal, circa 1828.

Felipe Orlando abstract oil circa 1980; German baroque lockbox circa 1625; Green Bay Packers championship group, circa 1965.

Fort Worth (Hour 1) - Celebrate the Season 21 premiere with treasures like a rock & roll poster collection from around 1968, a Delaware Tribe beaded baldric and an Auguste Rodin "Eternal Spring" bronze that could have the highest value of the season. But is it authentic?