A lesser-known part of the Kinsey Institute is this impressive collection of art, artifacts, and material culture related to human sexuality.

If astronomy had a ghost, it would look like this observatory.

Tucked away in the forests of Indiana resides an abandoned waterslide that is now a popular graffiti haunt.

One man's goal to be surrounded by color resulted in this enchanting assortment of avian abodes.

Prehistoric animals decorate this popular outdoor park.

An abandoned theme park with a strange and tumultuous past.

An eerie and beautiful group of columns mark the site of a grand mansion lost to time and fire.

This roadside attraction in the woods of Mississippi is a scalable replica of the Holy Lands during biblical times.

Trade in that pesky human soul for cold-hard circuits.

These gardens recreate unique and endangered Michigan habitats.

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

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

A wacky two-story folk-art assemblage of carved and found objects, with lights, motion, and sound now in need of financial support.

Abandoned concert venue legendary for its rock counterculture.

An ornate Detroit church, left empty and ravaged by time.

This empty Detroit high school was too expensive to maintain or destroy.

The collection of ceremonial and cultural objects spans many countries and hundreds of years.

This Detroit ruin was once a gothic bastion of its community, but now it stands as a haunting ruin.

The concrete shell of an industry giant remains as a playground for graffiti artists, auto scrappers, and paintball warriors.

Berry Gordy Jr.'s old home was the original headquarters of Motown Record Corporation.

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

Astounding collection of coin-operated games and automata.

At the largest railway museum in the United States, you can see everything from an early steam engine to a functioning Thomas the Tank Engine.

A hidden grotto on the grounds of the Kane County Government Center.