This abandoned subway station beneath the Waldorf-Astoria hotel is allegedly used to secretly transport presidents.

Long-forgotten artifacts give incredible insight into New York's most glamorous hotel.

A former hospital is now home to a pizza parlor and maybe a few ghosts.

An emerald-green grotto just a short trip from Austin.

Ancient church constructed with a special wood that preserves prints from the past.

A giant 400-acre preserve in North Florida for displaced wolves.

Dedicated to the "World's Luckiest Fishing Village."

The "worst battleship ever built" is enjoying a grand second act, submerged 30 feet in the Gulf of Mexico.

This now-deactivated naval base defended the Florida coast for centuries.

A local landmark with generations of spraypainted messages, and more being added each day.

A suspended garden, now gone, once hung in the middle of this abandoned church.

See the nearly two-century-old ruins of pre-railroad America at the former site of a lock on the Ohio and Erie Canal.

The world's largest Our Lady of Guadalupe statue overlooks this Ohio sanctuary.

The headquarters of a pioneering cast iron and cast aluminum cookware company is in ruins, but still standing.

An abandoned, rusty old relic of railroad history stands at attention over the Cuyahoga River.

This park pays homage to the region's rich industrial history of brick making.

The site of the worst mining disaster in Ohio's history.

One of the last few period-correct, hand-operated canal locks in the country.

Hidden on two floors of downtown building, the library has an incredible deal on rent.

The spectacular collection of one of the world's best woodcarvers.

An old church full of restored Catholic statues is a makeup artist's labor of love.

A county library in rural Ohio houses one of the finest mineral collections in the world.

Landmark dedicated to the plight of the American Indian in the 21st century.

These beautiful wineries were at the center of Lake Erie's "grape belt" back when the Midwest dominated American wine production.