One of the longest water bridges in the world was built over a supposedly haunted swamp in Louisiana.

A 19th-century Gothic, castle-like statehouse by the Mississippi River.

By day this New Orleans square is for pedestrians, but by night it is a kingdom of kittens.

This knobby, drooping New Orleans oak is a favorite place both for climbing and for meeting giraffes.

A century after his death, this covered bridge still calls to mind the plein air painter who loved it.

The first bridge observation tower in the U.S. offers one of the best views of Maine.

The eccentric mansion of one the most popular horror authors of modern times.

This museum started as a collection of Manhattan Projects and continues to add exhibits as they are declassified.

A multi-storied adobe complex has been inhabited for more than a thousand years.

This monument to the victims of a tragic explosion is said to turn and look at passing cars.

The second-largest ceremonial mound in the United States is an artificial hill that is loosely shaped like a pentagon.

This racially troublesome eatery thought a new coat of paint could erase its offensive connotations.

Giant novelty guitars now mark the spot where Robert Johnson is said to have sold his soul to the devil.

An eerie and beautiful group of columns mark the site of a grand mansion lost to time and fire.