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

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

A monument to the “unrecognized dead” of the tragic 1876 train crash.

This small museum is dedicated to making sure the history of the natural ice industry doesn't melt away.

Easily overlooked in favor of the wineries that dot the region, this blast from the past is equally worth the visit.

The 10-foot-tall vegetables belong to Michigan’s first food rescue program.

A throwback train ride transports passengers through one of the lesser-known national parks in the country.

Medical history museum featuring a lovely doctor's office from the 1800s.

A grandiose title could not save this mercantile community from obscurity.

The site of Neil Armstrong's first flight is marked by a full on replica of the moon landers.

Marvel at this turn-of-the-century masterpiece that has been turned into a rather stately supermarket.

Solving a 60-year mystery finally gave a name to the young woman known only by the color of her clothes.

A fiberglass jungle, deep in the wilds of the Cleveland suburbs.

"Where the ducks walk on fish."

Meet your friends, marry your true love, or tell your enemies to kiss your butt under this historic Pittsburgh timepiece.

A living maritime paradox still floats in the same lake where it was built and resurrected... or was it?

A mine fire has been burning under the deserted town since 1962, but this church is still going strong.

Buildings that dynamite couldn't bring down were abandoned because of bathroom issues.

An abandoned stretch of highway, deteriorating next to the operational one.

A toxic ghost town sitting atop a massive coal fire.

A cannon designed to fire an atomic warhead.

Once decrepit and slated for demolition, now one of the longest pedestrian bridges in the world.

This historic train station has been converted to a locomotive themed hotel.

Enormous lake at the bottom of a unique cave system.