Off Limits

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

2025-12-30 02:39:00 +0000 UTC → 2025-12-30 03:27:00 +0000 UTC (48m)

Off Limits

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

2025-12-30 01:50:00 +0000 UTC → 2025-12-30 02:39:00 +0000 UTC (49m)

Off Limits

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

2025-12-30 01:00:00 +0000 UTC → 2025-12-30 01:50:00 +0000 UTC (50m)

Off Limits

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

2025-12-30 00:11:00 +0000 UTC → 2025-12-30 01:00:00 +0000 UTC (49m)

Off Limits

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

2025-12-29 23:21:00 +0000 UTC → 2025-12-30 00:11:00 +0000 UTC (50m)

Off Limits

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

2025-12-29 22:32:00 +0000 UTC → 2025-12-29 23:21:00 +0000 UTC (49m)

Off Limits

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

2025-12-29 21:44:00 +0000 UTC → 2025-12-29 22:32:00 +0000 UTC (48m)

Off Limits

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

2025-12-29 20:55:00 +0000 UTC → 2025-12-29 21:44:00 +0000 UTC (49m)

Alien Invasion: Hudson Valley

UFO experts investigate extraterrestrial activity in the Hudson Valley.

2025-12-29 19:19:00 +0000 UTC → 2025-12-29 20:55:00 +0000 UTC (1h36m)

The Alaska Triangle

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

2025-12-29 18:31:00 +0000 UTC → 2025-12-29 19:19:00 +0000 UTC (48m)

The Alaska Triangle

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

2025-12-29 17:43:00 +0000 UTC → 2025-12-29 18:31:00 +0000 UTC (48m)

The Alaska Triangle

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

2025-12-29 16:55:00 +0000 UTC → 2025-12-29 17:43:00 +0000 UTC (48m)

The Alaska Triangle

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

2025-12-29 16:06:00 +0000 UTC → 2025-12-29 16:55:00 +0000 UTC (49m)

The Alaska Triangle

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

2025-12-29 15:18:00 +0000 UTC → 2025-12-29 16:06:00 +0000 UTC (48m)

The Alaska Triangle

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

2025-12-29 14:30:00 +0000 UTC → 2025-12-29 15:18:00 +0000 UTC (48m)

The Alaska Triangle

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

2025-12-29 13:42:00 +0000 UTC → 2025-12-29 14:30:00 +0000 UTC (48m)

The Alaska Triangle

Local folklore tells of hidden Alaskan channels and monstrous beasts lurking in the depths.

2025-12-29 12:52:00 +0000 UTC → 2025-12-29 13:42:00 +0000 UTC (50m)

The Alaska Triangle

Bigfoot hunters investigate whether an ape-like beast is responsible for a string of disappearances.

2025-12-29 12:04:00 +0000 UTC → 2025-12-29 12:52:00 +0000 UTC (48m)

The Alaska Triangle

Experts investigate whether a portal led to the disappearance of an airplane in 1950.

2025-12-29 11:16:00 +0000 UTC → 2025-12-29 12:04:00 +0000 UTC (48m)

Mysteries at the Museum

The largest complete dinosaur skeleton of its time; a medicine ball used by a U.S. president.

2025-12-29 10:28:00 +0000 UTC → 2025-12-29 11:16:00 +0000 UTC (48m)