This "second" cemetery represents New Orleans' attempt to keep cholera at bay.

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.

According to one local tradition, the entrance to the Voodoo underworld can be found in New Orleans through seven gates scattered throughout the city's French Quarter.

The oldest cemetery in New Orleans, resting peacefully for over 200 years now.

A snapshot of the city's fascinating voodoo culture.

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.

Kentucky, Tennessee, and Virginia meet at this point in the Cumberland Gap.

After a water tower painting was accused of being an ad, a simple fix was made that gave the city a motto.

Amazing taxidermy dioramas from the 1960s in a cement building meant to look like an ice cave.

The remains of this visionary community can still be found much as it was a century ago.

Moonbows over Kentucky.

The world's longest known cave system.

This long unused shot tower on the Mississippi remains a point of pride for a small city in Iowa.

For just a few bucks, this Iowa funicular will let you feel like an 1800s fat cat.

This stately clubhouse has showcased German-American culture for over a century.

The farm where one of America's greatest leaders was raised is now a well-appointed landmark.

Chicago's Navy Pier on Lake Michigan was a training hub for aircraft carrier pilots during WWII.

You have to love a museum with a truly dedicated focus. A focus on Superman, for example.

The palatial McDonald's that inspired Wesley Willis.

A spectacular remnant of an Adler and Sullivan masterpiece that was destroyed in 1972.

A 400-foot-tall tall map of Chicago makes this once-ignored building stand out.

Once at the center of U.S. finance, the historic Trading Room was meticulously recreated piece by piece and rebuilt in the Art Institute.