A 1970s NASA countdown clock, an all-terrain hovercraft and a 1960s Delta relay rocket are featured.

An 1880s Palm-Squeezer pistol, a Western Electric telephone from the 1800s and a Quadzilla ATV are examined.

An 1897 Regina music box, an Addictor 190 mini boat and a Thomas Edison gramophone from 1905 are examined.

A 1978 pinball machine, a vintage Breathalyzer and an 1898 gambling device are featured.

A Ms. Pac-Man arcade machine, a Harley-Davidson engine and an Air Jordan vintage shoe collection are examined.

A 1984 Yamaha SS440 Snowmobile; a baseball signed by Hank Aaron; a toy robot from the 1950s.

See a metal casket from the Victorian period; glass fire extinguisher grenades from the 1870's; a Chicago fire station alarm box from 1896.

A detonator box for dynamite, a chest that has secret compartments and jewelry used in smelting are found in units Clinton and Allen win at auction.

An 1897 Winchester pump-action shotgun; big-game taxidermy.

An 1886 Winchester riffle designed to kill buffalo; 1950s electric slot cars.

A 1890 humidor, a WWII-era Stuart M3 tank barrel and an industrial meat slicer are found in Worchester, Mass. Deep in Boston’s south side, Allen and Ton outbid some raucous competition. The guys score a WW2 Stuart M3 tank barrel and heavy duty tank treads. They also discover an industrial meat slicer in...

An Ontario, Cal., auction is visited, where the hosts compete with high rollers; a Gundlach Korona large format field camera from the 1920s and a scale RC Viper Fan Jet aircraft are featured.

A 1940s tandem bicycle, a black powder whaling harpoon from the 1800s and a vintage American flag collection are found in Boston.

A 1981 Bobcat 743 Front Loader and a World War I artifact are featured.

The guys go to Dallas, where they find a handcrafted cowboy saddle and a Tomahawk cruise missile jet engine. Allen and Ton travel to Dallas and face off against Texas’ most elite buyers. The guys uncover a military-grade Tomahawk cruise missile jet engine and a century-old handcrafted wild west cowboy...

An autographed "Raging Bull" poster; a revolver-knife-brass knuckle combo from the 1870s; a George Rodrigue "Blue Dog" screen print.

A bulletproof vest and a SWAT team helmet are discovered. Also: A Z-Flex Jimmy Plumer Poolrider skateboard from the 1970s is featured.

A naval cane sword from the 1800s; a 1910 poster of magician Chung Ling Soo; a Zig Zag magic sword box from 1974.

Ton and Allen head to the Beverly Hills of Orange County, Anaheim, and score a 1970s El Toro mechanical bull used to train bull riders, a silver WWII era banjo, and a collection of 1800s...

The guys head to Las Vegas, NV and discover a bumper car designed to look like a 1953 Chevy, M16 rifle magazines, a photo booth and a set of potato guns.

A custom-built shark cage; 1900s pathologist's dissection toolkit; 1940s embalming pump and one of the first electric bone saws.

Remote-controlled combat robots from the 1990s; an 1800s French "Harmonica Pistol" are featured.

A 1970s dune racer; off-road racing gear; a 1965 replica Mustang pool table.

Allen and Ton head to San Diego and face off against a high roller. They discover a rare 1950s Master Pitch baseball machine and a 1980s Jaws of Life tool used by rescuers to pry open cars.

Allen and Ton are back in LA for a high-end storage auction and score an autographed 1960s Bob Shaw Swing Gate tattoo machine. Later, the guys uncover a Terry Ives competition chainsaw and a six foot chainsaw-carved cedar bear.