But the ultimate challenge will be to see whether their vessel can plumb the ocean's deepest point.

BBC: James Cameron gets ready to dive to the Mariana Trench

This weekend, in addition to being the groundbreaking time when a national institution auctions off oversized goldfish, is also the time that we celebrated the 50th anniversary of the Trieste descending to the bottom of Challenger Deep, the deepest point on earth 7 miles beneath the shiny waves of the Pacific Ocean.

CNN: STORY HIGHLIGHTS

Another of the terminal's great subterranean secrets is M42 -- a hidden basement and the deepest accessible underground point in Manhattan.

CNN: Memorable moments in Grand Central's 100 years

There were, we should point out, some bright spots even in the deepest gloom of the recession.

WSJ: Editor's Letter