A monument in a town outside of Boston celebrates the visits of Edgar Allan Poe.

This small section of the Sleepy Hollow Cemetery is rotten with famous authors' graves.

The walkable ruins of an 19th century hotel, destroyed in a horse cremation gone wrong.

Museum dedicated to awful artwork.

The inspiration for H.P. Lovecraft's horror stories and Batman's Arkham Asylum is now a condominium complex.

This Boston medical museum features the skull of the famous medical case of Phineas Gage.

An unassuming store hides relics of its former life as the jazz club that hosted some of the best black performers of the 1920s and '30s.

A relic of the Cold War in Chicago.

Burial mounds of prehistoric Native Americans who lived along the DuPage River.

A long lost multi-cultural music venue used to reside in the bottom floor of Chicago's Flat Iron Building.

The murals have transformed a residential alley into a vibrant drive-through gallery.

This monolithic statue was erected in honor of Chief Black Hawk (even if it wasn't made to look like him).

This rare female version of the Muffler Man has its clothes removed each summer to signal the start of pool season.

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

Today this bizarre rooftop phone booth seems like a piece of kitsch but it was once used to spot disastrous storms.

This deceivingly ordinary warehouse hides an enormous collection of pop culture treasures.

This botanical garden outside Chicago boasts an array of more than 300 varieties of lilacs.

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

World's second largest particle accelerator, where nature reveals its secrets.

An avant garde art museum at the University of Chicago.

One of the largest pieces of scientific equipment ever carried on a NASA space shuttle sits in a Chicago alley.

This elaborate Hindu temple is located in a Chicago suburb, but looks like it was transported directly from India.

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

The twin towers in this Chicago fountain use 50 foot tall video screens to spit on people.