A memorial dedicated to the victims of the Columbine High School shootings.

The final resting place of a 19th-century gold prospector and convicted cannibal.

One of three remaining theatres in the United States created in the Art Deco Mayan Revival style.

Located in a Civil War era building, this café is engrained with the spirit of Edgar Allen Poe.

The bones of an old zoo crumbling in the shadow of a new one.

The Beaux-Arts aquarium boasts a vast collection of saltwater and freshwater fish on an island in the Detroit River.

Dilapidated Mayan-themed ballroom was one of Detroit's most popular venues through the 40s.

This sprawling bookstore spans four floors and has more than a million books in stock.

Over a thousand feet beneath the Detroit streets is a subterranean metropolis few are allowed to enter.

An abandoned Victorian-era amusement park is rusting away amidst luxury houses.

Turnip-shaped island just off the Michigan shore in Lake Huron.

This memorial honors the performers who died when two trains collided.

Hell on Earth is actually a small town in Michigan where anyone can be mayor for a day.

A lavender labyrinth so large it’s visible on Google Earth.

A collection of more than 10,000 racist objects that teaches the atrocities of social injustice and intolerance in American history.

This observatory comes complete with three separate telescopes and a dedicated community of amateur and expert astronomers.

A memorial to the Potawatomi chief who allegedly ran nearly 150 miles to alert settlers of an impending attack.

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

An antiquated German apothecary on Chicago's North Side.

This art gallery and oddities boutique bewitches visitors with a trove of occult trinkets and eccentric antiques, work by an ever-changing roster of underground artists, and classes in tarot and other mystic arts.

These mansions date back to Chicago's days as a brewer's paradise.

A giant bronze coil of feces is both a tribute to doggie defecation and a reminder to pick it up.

This memorial plaque remembers a strangely shallow maritime disaster known as "Chicago's Titanic."

Hidden on the 7th floor of a historic building, this Cajun spot features wall-to-wall bottles of hot sauce.