An architectural experiment in the Lower Ninth Ward, this row house is capable of floating as high as the Katrina floodwaters.

In 1810, free people of color made up more of New Orleans's population than any other Southern city.

Once the site of a Native American harvest festival, this humble clearing later played an invaluable role in the birth of jazz.

Before becoming a public park, this spot was a shell midden, a fort, and an amusement park.

The curiosities and wonders of pharmacy in a delightful historic building.

The small cave that housed Tennessee's "first citizen."

This Tennessee manse was built so opulent that the very utilities doomed it to fail.

A roadside music shop featuring a confounding series of folk art installations.

In 1912, a broken section of the reservoir wall released millions of gallons of water and destroyed many homes downhill.

Hot Doug's "Hot Dog" Stand.

The palatial McDonald's that inspired Wesley Willis.

A European-style bath house in Chicago.

What was once one of the country's largest confectionary plants is now an abandoned ruin, but is still pretty sweet.

A Museum of Holography frozen in 1974.

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

This landmark of the Chicago silent film industry may not be in the picture business anymore but it still stands proudly.

A giant bronze coil of feces is both a tribute to doggie defecation and a reminder to pick it up.

Funded by John D. Rockefeller, this is one of the earliest, and most beautiful, shopping arcades in America.

The home made famous by the 1983 holiday classic is now a perfectly preserved shrine to the movie.

The time thousands of bags of chips washed ashore in the Outer Banks is memorialized in a local museum.