Off Limits

1. Los Angeles

Air Date: 2011-05-16

Don penetrates a former Nazi military compound, uncovers clandestine oil rigs in seemingly normal neighborhoods, and kayaks down the LA River revealing a rarely seen side of Los Angeles.

2. Seattle

Air Date: 2011-05-23

520 feet above Seattle, Don Wildman experiences the Emerald City from the outer rim of the Space Needle. Mosquito Fleet steamboats prove difficult to find in the icy waters surrounding the city.

3. San Francisco

Air Date: 2011-06-06

Don goes to Oak Knoll Naval Hospital and an old WWII POW camp.

4. Arizona

Air Date: 2011-06-13

The host visits Arizona and checks out a secret missile silo and a lost gold mine.

5. Tennessee

Air Date: 2011-06-20

Don goes rafting in Tennessee and checks out a secret moonshine operation. Also: a look at collapsing coal mines and prehistoric caves.

6. Buffalo

Air Date: 2011-06-27

Don visits an old powerhouse in Buffalo. Later, he checks out a tunnel system from the early 1800s.

7. Secrets of New York Islands

Air Date: 2011-10-04

Don gets access to an isolated stronghold that once saved New York city, uncovers the fantasy island arsenal of the biggest arms dealer on earth, and scrambles around a forgotten relic once used to keep the depraved out of site.

8. Dirty Secrets of Boston

Air Date: 2011-10-11

Don explores Boston to uncover how this city has solved big problems with bold ideas -- from the first subway in the US to a waste treatment plant that helped clean up the infamous mess in it's harbor.

9. Transforming The Big Apple

Air Date: 2011-10-18

Don explores the hidden corners of New York City.

10. Hawaii

Air Date: 2011-10-25

In Hawaii, the host explores a hi-tech tunnel bored into a volcano. He also uncovers secret bunkers and learns about ancient bloody rituals.

11. St. Louis

Air Date: 2011-11-03

The host visits St. Louis and explores the city's willingness to embrace change through the years.

12. Pittsburgh

Air Date: 2011-11-10

Don explores Pittsburgh's industrial wasteland and hi-tech wonders.

13. Twin Cities

Air Date: 2011-11-17

Don explores the Twin Cities of Minneapolis and Saint Paul, Minnesota, revealing the secret past of these sibling cities and their hidden underworlds.

1. Making Gold, Escaping Alcatraz & Tunneling Under Grand Central

Air Date: 2012-04-17

In the second season premiere, host Don Wildman blasts and pours gold, visits Alcatraz in San Francisco to retrace the infamous escape route, takes part in a parade in Los Angeles, California, makes whiskey barrels in Kentucky, and explores an engineering marvel.

2. Wrestling Gators, Flying the Good Year Blimp & Earthquake-Proofing San Francisco

Air Date: 2012-04-24

Wildman wrestles alligators in Florida, pilots the world-famous Good Year Blimp in Ohio, goes underground zip-lining in Louisville, Kentucky, and explores seismic engineering in San Francisco, California.

3. Fighting Wildfires; Scaling Bridges

Air Date: 2012-05-01

4. Digging Under Manhattan; Climbing Coasters; Training in Disaster City

Air Date: 2012-05-08

5. Manning Nasa's Mars Rover; Stamping Out Coins & Taking Water From Toilet to Tap

Air Date: 2012-05-15

6. Bobsled Racing, Automated Airport Baggage & Backstage Acrobatic Aquatic Show

Air Date: 2012-05-22

7. Digging for Sea Salt; Demolishing a Bridge; Atop a Tramway

Air Date: 2012-06-05

8. Atop the World's Largest Domed Stadium, Entertaining with Water, Fire and Ice & Crushing Concrete Roadways

Air Date: 2012-06-11

9. Launching a Rocket, Demolishing a Pier and Firing Rounds

Air Date: 2012-06-18

10. Navigating Rapids, Mucking Out Pig Stalls, & Conquering a Rodeo

Air Date: 2012-07-15

11. Blasting Granite, Bobbing For Logs, and Training With The Pit Crew

Air Date: 2012-07-22

12. Drag Racing, Scaling Water Slides and Logistics By Ups

Air Date: 2012-07-29

13. Exploding Fireworks, Building Jet Engines, and Reconstructing the National Cathedral

Air Date: 2012-08-05

The host tests fireworks in California, helps build jet engines in North Carolina, and carves stone for the Washington National Cathedral.

1. High-Tech Adventures

Air Date: 2013-06-04

A futuristic array of luggage conveyors; a manned rover designed for exploration of other planets.

2. Man at Work

Air Date: 2013-06-04

Toughest work environments, including fighting fires, cleaning up waterways and repairing an Olympic venue.

3. Amazing Engineering

Air Date: 2013-06-11

Grand Central Station in New York City; class four rapids; a port that ships out scrap metal.

4. All-Access Adventure

Air Date: 2013-06-11

Gator wrestling; NASCAR pit crews; a Las Vegas show; the Goodyear Blimp.