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.

Rabbit Hash is a heaping slice of Americana from another era, with a very peculiar origin behind its unusual name.

The only depiction of Abraham Lincoln holding a weapon, and the names of all 9,000 Cuyahoga veterans of the Civil War.

A spectacular remnant of an Adler and Sullivan masterpiece that was destroyed in 1972.

This alley in downtown Chicago held the bodies of over 600 people after the fateful Iroquois Theatre fire.

An outdoor urban gallery of large-scale artworks by the world's most influential street artists.

This historic hotel invented the chocolate brownie.

The last masonry skyscraper ever built reveals a transitional moment in architectural history.

A gothic church spire sits atop this skyscraper, the tallest church in the world.

A 400-foot-tall tall map of Chicago makes this once-ignored building stand out.

The famous author's birthplace is preserved in a town that he once described as narrow-minded.

Pumpkin-like gargoyles and grotesques peer down from the rooftop of this unassuming apartment building in Illinois.

A lush green oasis in the middle of Chicago.

G.V. Black, the Father of Modern Dentistry, keeps an eternal eye on Chicagoan’s teeth from his perch in Lincoln Park.

Once at the center of U.S. finance, the historic Trading Room was meticulously recreated piece by piece and rebuilt in the Art Institute.

To find the "unicorns of the deep" you've got to go downstairs.