
Off Limits
Don explores Pittsburgh to see how it became a hi-tech metropolis.

Don explores Pittsburgh to see how it became a hi-tech metropolis.

Don explores a St. Louis' labyrinth of ambition which has made it an industrial powerhouse.

Hawaii has a dark side with an underground world, waterway remains and bloody rituals.

Don Wildman leaves the island of Manhattan to explore the lost traces of the city.

Innovations of Boston, from the subway to the waste treatment plant for the harbor.

The arsenal of a dealer; a relic that once hid the depraved of New York City.

Don explores a tunnel from the 1800s, a 100-year-old powerhouse, and concrete grain elevators.

Don gets tossed around in Class 4 rapids along the way through some dangerous Tennessee places.

Don explains how pioneers created active cities in the desert; he uncovers a secret missile silo.

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

Don reveals the emerald city from the Space Needle and searches for steamboats.

Don infiltrates a former Nazi military compound in the neighborhoods of Los Angeles.

UFO experts investigate extraterrestrial activity in the Hudson Valley.

A cryptozoologist hunts for proof of Bigfoot; experts investigate a mysterious vortex of energy.

An eyewitness shares video evidence of alien activity; a UFO hunter searches for an alien base.

An unidentified flying object pursued a Boeing 747 over Alaska; monstrous bird in Alaska Triangle.

Evidence suggests extraterrestrial visitors are hiding in the unexplored depths of the ocean.

In 1918 the SS Princess Sophia mysteriously sinks near Juneau, Alaska.

An aggressive spirit attacks guests at a historic hotel in Juneau, Alaska.

A young mother's Alaskan dream soon becomes a nightmare as she suffers attacks by an unseen force.