Sky History Sunday

Overwhelmed by the sheer number of units up for auction in Rialto, Mary and Ivy wager that each can better predict final locker prices than the other

Emily brings her mother along, Darrell wastes no time finding an advantage, Ivy and Ivy Jr clean up with their locker, while Kenny gets some advice from a music legend

Gales batter Desert Hot Springs, as the buyers compete. Rene and Gunther dust off an old locker, while Kenny steps up his game big time

In Orange, California, Casey finds the chutzpah to pick up a good unit. Darrell tries to peddle his wares to Emily, but settles for a decent locker

Ivy thinks he's a comedian in Stanton California, but the gizmo in his locker is no joke. Brandi and Jarrod make sure that what they find in their unit doesn't stay there

People who make a living from bidding for the contents of abandoned storage units, making risky purchases that could buy them trash or treasure

A chandelier made out of KFC buckets lights up the shop, and Rick gets amped up over a very special motorcycle

Rick and Chum get a genius package containing letters signed by Albert Einstein. Chum and Corey marvel at replicas of Thor's helmet and hammer

Chum gets into the teen spirit when a piece of Kurt Cobain memorabilia finds its way into the shop. Rick takes a swing at a National League Championship ring

Rick has a hoot when he checks out a ceramic owl vase 'made' by Pablo Picasso, while a poster from the Beatles' Yellow Submarine movie lands on the counter

Drones and satellite imagery reveal a vanished Neolithic structure in an Irish field, an oasis in a Chinese desert and buried treasure in the UK

An array of mysterious phenomena, as seen from above. These include a Nazi weapon in Northern France and a Russian military tower near Chernobyl

Aerial views offer a fresh perspective on massive concrete arrows scattered across America. Plus, a mysterious hole in the middle of a lake in Southern California

A Turkish drought reveals a long-lost ancient Basilica and its secrets, while a church spire punches through the surface of a toxic sludge in Romania

Nubian pyramids reveal the rise of female power in Ancient Kush. Plus, a shocking satellite image uncovers secrets of an ancient ancestral Puebloan site in New Mexico

Strange markings in the remote reaches of Northern Finland, a Manhattan-sized mystery in the depths of a Vietnamese cave and a lost sky-high world in Mozambique

Tasked with guarding concentration camps, this unit's actions knew no bounds and - despite their heinous acts - still attended social gatherings

Drawing a line to the present, the atrocities of the SS are beyond all doubt, yet, there is a cult surrounding 'old comrades' today

The American track and field athlete's dedication, perseverance and triumph over Hitler's Aryan supremacy agenda and his resilience against racism

Ex-CIA agent Andy Bustamante and investigative journalist Paul Beban return to the ranch Robert Bigelow owned at the same time as Skinwalker

Mike enlists his buddy Dave to help him rid the Field of Dreams of a junk-stuffed school bus

Something dangerously demonic lurks in Alicia Babcock's closet, and a woman is terrorised by a demon who comes to her in a dream

Marina Duarte is plagued by paranormal activity after a spirit board session and Lisa discovers that not all the ghosts haunting her childhood home are evil.

A chandelier made out of KFC buckets lights up the shop, and Rick gets amped up over a very special motorcycle

Rick and Chum get a genius package containing letters signed by Albert Einstein. Chum and Corey marvel at replicas of Thor's helmet and hammer

Chum gets into the teen spirit when a piece of Kurt Cobain memorabilia finds its way into the shop. Rick takes a swing at a National League Championship ring