These ruins of a pre-Columbian cliff village are among the most beautiful and well preserved in New Mexico.

The world’s largest truck stop includes a barber shop, chiropractor, and a huge museum with antique trucks.

This lonely waterfront memorial to the men of the Titanic was erected by the "Women of America."

The design of this historic domed church was influenced by Thomas Jefferson and intended as a statement of religious freedom.

A much-maligned monument to teetotalism.

The bugs crawling down the front of this office building are almost as big as a '68 VW Beetle.

A rusted metal giant pays tribute to Birmingham’s industrial past.

Cleveland's giant "free" stamp is a nod to the Civil War, but was misinterpreted for years.

A mysterious echo seems to defy the laws of acoustics.

An acoustic anomaly with a mysterious cause.

A tribute to Ponce de Leon's supposed quest for eternal youth.

A clone-tree in Washington Square Park sprung from seeds that went to the Moon and back.

A living maritime paradox still floats in the same lake where it was built and resurrected... or was it?