An emerald-green grotto just a short trip from Austin.

This elaborate towering structure was once famed for its revolutionary height.

This charming colonial alleyway is one of the oldest continuously used residential streets in the U.S.

This distinctive Crescent City tradition dates back to the days of horse-drawn carriages.

The oldest family-run restaurant in the United States is a living museum of New Orleans dining history.

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

The second oldest continuously operating bar in Louisiana.

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

This symbolic piece of New Orleans architecture is also home to a few ghastly stories.

This historic "City of the Dead" lies prominently in the center of New Orleans' famous Garden District.

A museum and shop on Bourbon Street located in the French Quarter.

A 200-year-old bar in the historic French Quarter refuses to give up its place in history, nor its role in securing ours.

The final resting place of New Orleans' most famous voodoo priestess.

The site of one of the strangest disasters in history—a wave of deadly molasses traveling at 35 mph.

The American Revolution was galvanized into serious action due to the tragic clash with British soldiers that occurred at this location.

Two thousand artifacts from around the world collected by one woman who loved to travel.

An enormous, inside-out glass globe built in 1935.

The last remaining relic of San Francisco's glittering 1915 Panama Pacific Exposition.

In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.

Bar full of oddities, specimens, artifacts and homages to the great dime museums of the past.

It was once the base for a series of domestic terror attacks.

America's Most Wanted's set resides in this tribute to the history of crime and punishment.

The 5.5-mile ring of steel posts around the Capitol Building is one of the largest (and most uniform) of its kind in the world.

This statue of one of baseball’s greatest pitchers looks like something out of a sci-fi horror movie.