This elaborately-carved white marble fountain was built to stand outside the Detroit Opera House.

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

The second oldest continuously operating bar in Louisiana.

One of the oldest continuously-operated gay bars in the United States is allegedly haunted by Truman Capote and Tennessee Williams.

The world's tallest doric column is this Ohio monument to a naval victory in the War of 1812.

This shallow cave got its name from copious amount of human bones found inside.

Island where motor vehicles are banned -- home to the only carless highway in the United States.

The fifth-longest suspension bridge the world, connecting one Michigan peninsula to another.

Center filled with hands-on displays served as a tribute to several astronauts with connections to the state.

Detroit’s Eastern Market has been transformed into an outdoor museum with colorful murals that address social issues and symbolize the city.

A watercolor recreation of a famous fresco unearthed at Pompeii.

Home of the only civilian casualty at the Battle of Gettysburg.

Opulent downtown movie theater now houses cars as an indoor parking garage.

Controversial tribute to the heavyweight champion boxer who grew up in Detroit.

The grandiose interior of this bar speaks to its past as home to famous jewelers and railway offices.

The bones of an old zoo crumbling in the shadow of a new one.

38-story baroque tower reflecting Detroit's rise, fall, and possible rise again.

To truly appreciate Detroit's landmark skyscraper, you have to step inside.

The world’s largest Masonic temple was saved by the White Stripes.

This sprawling bookstore spans four floors and has more than a million books in stock.

Near the ruins of a Civil War coastal fortress lies the only known African refugee cemetery in the United States.

The museum chronicling a treasure hunter's dream, fulfilled.

An idyllic swimming pool tells the tale of Hemingway's trouble with women.

The island residents are known for taking their quirky sense of humor with them to the grave.