Mousing-over the map icons or list items will show the point names. Clicking on either will open a text balloon with links to the cache page and additional data. The Canadian topographic mapping works best if you zoom in a bit before switching (select "U.S./Can.: MyTopo" from the drop down list in the top right corner of the map)
Click and drag to repostion the "Trails" legend box as required.
Double click on the map to zoom in.