Pittsburgh's literal underground railroad.

A view-altering observatory at the University of Texas.

Constructed in the 1920s, this former pencil factory is now an office building.

An 1883 schoolhouse now home to collective of artists.

Thriving meadows span a rooftop in one of Brooklyn's most heavily industrialized neighborhoods.

The one-stop shop for all of your superhero (or evil arch-nemesis) needs.

This whimsical park encourages its visitors and wildlife to roam on and around the various works of art.

One of Cincinnati's greatest fighters once trained at a now defunct gym in this Over-The-Rhine neighborhood.

Remnants of 19th century vigilante justice.

All that remains of a gigantic earth-moving machine.

Bison, America's national mammal, are staging a slow comeback in Ohio's prairie parkland.

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

This lovely university observatory continues to sit abandoned since its potential savior was sent to jail for fraud.

It may appear to be a fancy junk yard, but each item has a story to tell and a lesson to impart.

Its vintage camera collection gives a snapshot of the past as viewed through a photographic lens.

A quiet, gothic haven nestled between Pittsburgh's Squirrel Hill and Point Breeze neighborhoods.

This church in Pittsburgh is home to the largest collection of religious relics in North America.

An unoccupied lighthouse encased in layers of ice from the waters of Lake Erie.

The souvenir got the company’s founder out of a pretty pickle at the World’s Fair.

With 3,000 bikes on display, the world's largest bicycle museum includes some famous rarities.

The only way to see Pittsburgh is from the top of this lookout point, just like the ancient members of the native peoples did.

A flamboyantly decorated bridge signals diversity and fellowship at the entry to Indianapolis' Broad Ripple Village.

This library and museum is dedicated to the life and literature of the Indianapolis native author.

Internationally known record store and purveyor of "dusties."