Holes

Thirty five million years ago a space rock gouged a crater as big as Rhode Island and as deep as the Grand Canyon in what is now called the lower Chesapeake Bay.
—www.drellenrudolph.com, "Welcome to the 'Burg!," by Dr. Ellen K. Rudolph, (November 2004).

You either worship Steve Spurrier or you hope he is swallowed by a sinkhole the size of Rhode Island.
—USA Today, "Spurrier zooms out of NFL gate," by Jon Saraseno, September 8, 2002.

...I was turning around (drove past a house I was looking for) and encountered the 'ol pot-hole-the-size-of-rhode-island-hiding-under-water.
—www.saabnet.com, Saab Network, (August 2000).