This abandoned Civil War fortress is slowly being swallowed by the waters of Lake Borgne.

Once defending the city of New Orleans from invasion by sea, this fort faces an uncertain future.

Made of giant chains and hung with shackles, this iron cross honors those unknowns who perished under American slavery.

In 2010, Nicolas Cage purchased two plots in this cemetery using one to construct this strange pyramid mausoleum.

New Orleans' famous cemetery, located on the site of a former race track.

The only rotating bar in New Orleans has been slowly spinning since 1949.

This New Orleans tree is filled with hidden chimes that produce a carefully tuned melody.

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

A collection of oddities including Dr. Kevorkian's suicide device, the Thanatron.

A theme park that suffered massive flooding during Katrina was abandoned, and now proves irresistible to trespassing explorers.

Cannon designed to fire an atomic warhead.

Enjoy a tour of oddities and makeshift monsters at this souvenir store with an offbeat sense of humor.

This small museum contains fossils from an era when Kansas was underwater.

This 100-foot tall bluff located in the western plains of Kansas overlooks a massive reservoir.

This tiny old water tower once doubled as a makeshift jail.

Also known as the Cathedral of the Plains, this church holds the distinction of being one of the "8 Wonders of Kansas."

These otherworldly limestone formations jut out from the Kansas prairie.

This 41,000-acre wetland complex is the largest marsh in the interior of the United States.

This lesser-known geographic marker was the reference point for all surveys of the continent for 75 years.

A unique gallery chronicles the losers of American presidential history.

The first "Hut" was actually a small brick building.

Lone survivor from Custer's Last Stand forever preserved.

The grandson of a Kiowa chief created what has become the iconic symbol of a city on the Plains.

The world’s largest combined collection of U.S. and Russian aircraft got its start in a poultry building.