Missouri

With it's 217 foot tower the Liberty Memorial is the United States's only major World War I monument. Built in 1921 the monument incorporates two Sphinx sculptures, two museums and the tower, which is topped by four large stone figures…

Brilliant bit of weirdness here... Tom Comeau says: I believe it's winter, and we're seeing snow and ice on the lake surface. But where there's clear water, something very odd is showing through.

Check out this cool picture of overlapping seasons in Utah, and another in Missouri on the Mississippi river. Thanks to Kyle French and Bill Keaggy.

A very popular submission has been the The Gateway Arch or rather it's massive shadow, 'raydancer' notes that is it the tallest national monument is the United States at 630 feet and is just as wide. If you look West…