A little-known subterranean street runs under some of the best-known buildings in Chicago's River North.

Home to a protest movement, a bombing, and a dramatic change in labor history.

Three bronze deer sculptures relax along the Scioto Mile.

A bronze monument to Cleveland's favorite, fastest son.

Abandoned since the 1950s, the streetcar lane beneath the heavily trafficked bridge lays empty and unused.

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

This garden memorial marks the site where 12-year-old Tamir Rice was fatally shot by the Cleveland Police Department.

Smoky, also known as "Yorkie Doodle Dandy," was a four-pound hero of World War II.

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

A former nuclear facility during the Cold War turned nature preserve.

This quirky museum has a collection of more than 15,000 bobblehead dolls.

A unique outdoor timepiece at a "clothing-optional" resort.

A sprawling museum filled with larger-than-life works of art.

These chunky stone towers out in Lake Michigan are the key to Chicago’s drinking water.

A six-story-tall golden pyramid, surrounded by a moat.

Niagara Falls holds a special place in Nikola Tesla's history, so they put a statue on it.

An enormous park-like oasis, full of famous Chicagoans' graves.

A hot dog stand where the heads are just as hot as the dogs.

Partially submerged Buddha heads freckle Chicago’s neighborhoods.

In a quiet north Chicago neighborhood rests a stunning relic of the golden age of earthenware design.

The site of a 19th century "dream city" that almost rivaled Chicago before being swallowed by the Indiana sand dunes.

An abandoned munitions factory with a shot tower continues to wage war on the surrounding environment.

A memorial to the 1913 tragedy that helped protect the workers of the future.

An allegedly haunted testament to a local businessman's desire for status, posterity, and charity.