Quote:
Originally Posted by tdvance
seven wonders of America--I guess I'd go for:
Grand Canyon
Hoover Dam
New York City
Mount Rushmore
Kennedy Space Center
Moana Loa
Carlsbad Caverns
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Lechuguilla Cave is a far better choice (and literally next door) to Carlsbad Caverns.
http://en.wikipedia.org/wiki/Lechuguilla_Cave
But a cave is a logical choice (whether it be Lech, Mammoth or Jewel) as we are uncommonly blessed with Caves in this country.