Saknussemm's Corridor & other intriguing geographic information

For those who don't recall its location, Saknussemm's Corridor is a subterranean gallery in Iceland, in an extinct volcano. On reaching the gallery the intrepid traveler may then begin their descent to the center of the earth, a journal of several days at least. Or so it says in Jules Verne's Journey to the Center of the Earth ;-) This and many other fascinating, although alas imaginary destinations may be discovered in the Dictionary of Imaginary Places, in our reference collection on the main floor, REF GR650 .M36.

For those who insist on realism, we do have the Columbia Gazetteer of the World in print copy, REF G103.5 .C645. Two nice online geographical resources are the Collins World Atlas Gazetteer and Geo-Data, the World Geographical Encyclopedia.