Texan Paul Range and his wife Gloria constructed a home out of nine shipping containers, and stockpiled over 50,000 lbs. of food in preparation for a day when the North and South Poles swap places, resulting in dramatic climate changes and natural disasters. Chris Nyerges, who at first glance may seem like your average Californian, demonstrates how he is prepared to live off the land - even in an urban jungle - by foraging for food and drinkable water in the event of a massive earthquake shuts down the food supply chain. Megan Hurwitt is prepping to survive a catastrophic oil crisis.

Kellene Bishop, a self-described foodie, amazes her friends by whipping up a dinner party entirely from shelf-stable foods, proving she won't sacrifice the finer things in a financial disaster. Dennis Evers has trained his children with special skills to withstand a catastrophic financial collapse. From his farm in Tennessee, prepper David Sarti calls himself the "hillybilly prepper."

R.E.M's "It's the End of the World as We Know It" might be a good mantra for these three individuals who are readying for the end of days. Phoenix, AZ., dad Tim Ralston is prepared for an electromagnetic pulse attack on America. Jason Charles is a New York firefighter preparing for the eruption of the Yellowstone super volcano. He's storing meals ready to eat and water in his city apartment. Pat Brabble is a churchgoing Southern gentleman with a twist: He believes our country is on the brink of hyperinflation, which will unleash civil unrest all across the country."

Are you prepared for the end of the world? These men are. Mike Mester fears an imminent economic collapse will bring violence and rioting to his quiet suburban town outside of Atlanta, Ga. Preston White, a computer programmer from Colorado, believes there is a cover-up surrounding Japan's damaged Fukushima Daiichi power plant. If doomsday arrives, Doug Huffman plans to disappear underground into one the many spider holes he has built throughout California's Sierra Nevada Mountains.

Retired police officer Martin Colvill fears an economic doomsday will bring chaos to the roads. Unlike your average grandmother, Donna Nash protects her family in Utah from becoming vulnerable to a widespread pandemic, practicing worst-case scenario tests to quarantine one contaminated family member in order to save the rest. Kevin O'Brien and his family are leaving everything behind in Florida in order to migrate to higher, safer sea levels.

Meet four Americans who give their all when it comes to preparedness. Real estate developer Larry Hall is creating luxury survival condos in an old missile silo. Coloradan Riley Cook is readying his family to live in a high-altitude bunker. Michael Patrick Douglas is training his children in primitive survival skills. Becky Brown is taking sharpshooting lessons with a sniper in order to prepare herself for a government takeover of Salt Lake City.