Once again watching this to learn about mysteries lying under our streets.

i want to ransack luxumburg for some shopping...

Really interesting show, learning secrets about places we think we know well enough

Fascinating show - love the discoveries of whats been hidden for so long.

Repeaat, "New York: Secret Societies" Subterranean New York City is explored. Included: aqueducts; and a classified World War II site.

Things from the underground are sometimes cooler than above.

Watching Cities of the Underworld..great episode Tunnels of Hell - learned somethings about these battles in WWII I didn't know. I'm glad they don't let divers disturb the USS Emmons and the souls... more

Watching Cities of the Underworld..great episode Tunnels of Hell - learned somethings about these battles in WWII I didn't know. I'm glad they don't let divers disturb the USS Emmons and the souls that went down with the ship-out of respect. See - u can learn from tv

I'm watching... Cities of the Underworld : Tunnels of Hell direc.tv/2109w9qZh

watching... Gods of War - Turkey

Ghost nights of valkenburg
"Say word!!"

Interesting - Hitler's Trenches.... Love this show...

Wow... Interesting. Watched the Belize/Maya... Now watching the Naples one. 💀

Caught some fascinating episodes on London, the Mayans, & Vesuvius! Had no idea what was underneath us in London til now!

So interesting to learn about the history of other places!

I'm watching underworld movie series

#lasvegas See you in APRIL!! WHOOT WHOOT

It will be interesting to see what's underneath the city I live in.

They're researching the Sicilian mafia ... Interesting to know what I'm getting myself into when I go to Italy and Sicily later this year :)

I really like this show. It reminds me of Josh Bernstein's Digging for the Truth.

Omg I just cannot watch this if Don is not hosting it. I just can't. 😰

This show makes my imagination soar with my love of history.

Watching the Moscow episode on H2.

Hope this show comes back with new episodes. History channel has gotten away from history and into "reality" programming. Very unfortunate.

City of Blood (London). I was never claustrophobic until I saw this guy sliding down an 18-inch high tunnel looking for "witch marks." not me, buddy. I'd rather explore anything with a high enough... more

City of Blood (London). I was never claustrophobic until I saw this guy sliding down an 18-inch high tunnel looking for "witch marks." not me, buddy. I'd rather explore anything with a high enough ceiling that I can still breathe.

Don wildman is the man

Underground London is interesting. Wish there would be a CotU marathon.

flipping between this n ghost hunters

Great show - especially for people with ADD...since they can't focus on one spot for more than .005 seconds.

Watching Cities Of The Underworld; Rome. Totally geeking out.

I love ancient history. Too bad I was not interested when I was in school many years ago lol