We’ve all seen steam rising from manhole covers in big cities like New York - but have you ever stopped and wondered why? Jason and Peter were curious and discovered that manhole covers literally explode all over NYC every year. Really, no Really!

Determined to discover the cause of these explosions and uncover the secrets that lurk below many of the world’s cities, they spoke with one of the planet’s foremost underground enthusiasts. Adventurer and history devotee Don Wildman is the host of the adventure series, "Cities of the Underworld," and he’s explored secret underground tunnels, catacombs, crypts, and entire cities completely hidden beneath more than forty cities around the globe.

The Conversation Includes:

The definitive answer to, “Do alligators live in NYC sewers?”
Mole people?
The archeological find that shocked the world.
New York City’s new Rat Czar.
The world’s longest underground tunnel.
The largest underground structure ever built.
Floating Cities, Underground shopping centers and Underground Pyramids!
Aaron Burr’s water Scam.
Our sinking skyscrapers
Spectacular subterranean rock carved Churches.
The reason many cities of the future may be built underground.

Instagram & Twitter: @DonWildman

Don’s PODCAST: American History Hit

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The Cities and Secrets that Lurk Below, NY-Boston-Berlin + Your Town!