The final resting place of the Emperor of the United States and Protector of Mexico.

Macabre headstones carved with winged skulls, dancing skeletons, and pithy reminders of impending death.

The tomb of Increase Mather and his son Cotton, influential colonial ministers obsessed with the occult.

An extensive collection of ancient Egyptian artifacts and mummies.

The headquarters of a secretive order is also a beautifully-designed park.

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

The faint remains of a Polish news empire still linger.

One of the last functioning antique elevators in Chicago.

Not to be confused with the iconic New York City skyscraper, this Chicago building is a vibrant hub for artists.

This whimsical Oz-themed park had a wonderful impact on the surrounding neighborhood.

Cemetery featuring rare glass-fronted columbarium.

Half-sized replica of the Leaning Tower of Pisa built to honor Galileo.

Shop of curiosities with a dinosaur museum tucked in its basement.

The only Bahá'í house of worship in North America and one of only a handful worldwide.

Recognized the world over as the home of the McCallisters in the 1990 movie "Home Alone."

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

Paranormal activity on the great lakes.

Quirky water tower advertises the long-gone Brooks Tomato Products Co.

Less a museum than a bizarre fantasy world created by artists and engineers.

What was once a presidential estate is now an exotic menagerie and home to the Budweiser Clydesdales.

A sealed test tube said to hold Thomas Edison's dying breath was given to the inventor's friend and mentee, Henry Ford.

The only surviving prototype for Buckminster Fuller's house of the future.

The 80-foot tire that looms over Michigan's I-94 was once a Ferris wheel in the New York World Fair.

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