visit Zyra's front page //// CATEGORIES //// site indexLight at the end of the Tunnel



Subterranea Britannica

Berliner Unterwelten e.V.

Underground Railways

The Hidden London Underground
Underground History - Disused Stations on London's Underground

Wookey Hole

Wales Underground - Cymru Dan Y Ddaear

Disco Dave's Tunnel Guide
Helpful guide to digging your own protest tunnels

Extinguishing Underground Fires

Account of an Earthquake

Virtual Caves

Gold mines

Show Caves

Underground water storage tanks are sometimes known as cisterns

Also see Geology and Archaeology

Underground? Also see UNDER WATER

More links required! If you know of any sites which specialise in that which is below the surface of the ground, these can be included in this page. Whenever someone has managed to dig a big hole, it needs looking into.

More URLs and contacts round the world required!

Links were last checked 2008/04/14 to make sure there were no problems with links