A New York City couple offers a look at the former ice cream factory they spent 40 years transforming into their home. From ice cream mixer sinks to preserved chimney stacks, they modernized a turn-of-the-century structure into their forever home.

We define ourselves through our history, culture and food. But we rarely think to stop and ask, how does it all work? "Revealed" examines the how and why while pulling the curtain back on things you never thought to ask. Where towering sandwiches meet quirky rural traditions, we're taking a look at iconic Jewish delis in this episode of Revealed including their historic culture, modern adaptations, and more.

0:00 - Introduction
0:28 - What is the famous Jewish sandwich?
1:53 - What was the most famous Jewish deli in NYC?
06:48 - What makes a Jewish deli?
10:44 - What happened to Jewish delis in NYC?
17:35 - The future of Jewish delis

The Scenic Spiral Wheel was a unique roller coaster installed in Coney Island's Luna Park back in 1917.

It was a 45 ton, 70 foot diameter steel wheel that was tipped towards its heavier side where it rested on its bottom edge. Roller coaster track spiraled around its outer rim from its top to its bottom. As the four car train circled the rim of the wheel, its weight changed the wheel's tilt so that the entire rig gyrated around like a top running low on spin. The train slowly spiraled down and covered 3200 feet of track in two and one half minutes. A second train with a separate admission climbed up to the top of the wheel, then descended through a long tunnel.

Apparently, the ride was not as exciting to ride as it was to watch, so it was shut down in 1921 after only 4 years.