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

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

The second oldest continuously operating bar in Louisiana.

This Birdsill Holly fire hydrant is the remnant of a very different type of hydration innovation.

Flashy signs from Las Vegas’s past find their final resting place at this unusual graveyard.

The 28,000-year-old specimen is remarkably intact.

This stunning blue and gold room changed cities twice before becoming part of the Smithsonian.

Washington's iconic carousel has a nice piece of Civil Rights history.

Stepping away from the glitz of mobsters and casinos to learn about the other history of Vegas.

This incredible collection of vintage pinball machines can be played at 25 cents a pop.

These banned cigarette vending machines now sell little pieces of pocket-sized art.

An exotic wildlife habitat right off The Strip.

The bullet-riddled wall from the St. Valentine's Day Massacre, bloodstains enhanced for your viewing pleasure.

Dyed by iron oxide over centuries, these sandstone rocks rise thousands of feet into the sky.

One of the world's tallest Ferris wheels takes visitors high above Las Vegas in a spinning party room.

A collection of haunted objects and macabre oddities under one roof.

This iconic L.A. bookshop is housed in an abandoned bank—both symbolic and chic.

A 315-foot spire jutting out from the Blue Ridge Mountains makes for breathtaking views.

This 29-ton granite ball spins around at the slightest touch thanks to a scientific phenomenon.

The ruins of a resort and casino sit on the banks of this blue hole spring that pumps 70,000 gallons of warm, clear water every minute.

The United States’s oldest funicular railway glides up and down a steep Pittsburgh street.

There aren't too many operational funiculars around, but Pittsburgh has two!

The last remnants of Fort Pitt also hold the distinction of being the oldest structure west of the Allegheny Mountains.

When oil was discovered just outside of Pittsburgh, the city became home to this regional stock market.