A monolith stands at the site of the most significant battle ever fought on British soil.

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

Small and slightly hidden, the American Writers Museum is preserving the legacy of America's finest authors.

Former bath house turns gastropub.

In a quiet north Chicago neighborhood rests a stunning relic of the golden age of earthenware design.

The unluckiest U-boat in the entire German fleet is now on display in a Chicago museum.

This surprising gem is a world-class archeological museum hidden at the University of Chicago.

These pretty kitties killed and ate as many as 135 railway workers.

One-of-a-kind preserved ruins of an abandoned 1880s church in Chicago's Pilsen neighborhood.

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

This modest post office sits on the site of H.H. Holmes' famous murder castle.

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

Built to house a chapter of the Knights Templar, this grandiose building is a relic of Freemasonry in Chicago a century ago.

At Chicago's revered Field Museum, visitors are invited to learn about and literally explore DNA.

Cemetery featuring rare glass-fronted columbarium.

Chicago's North Park Village was once the largest municipal sanatorium in the country.

This museum celebrating the almighty dollar lets visitors literally stand in the shadow of a million bucks.

All of Chicago's wood-paved streets are long gone but two alleys remain.

This historic hotel invented the chocolate brownie.

Chicago's largest cemetery is full of beautiful Victorian monuments and more than a few ghost stories.

A haunting statue called "Eternal Silence" has quite the reputation among visitors with active imaginations.

This unauthorized stone mermaid was secretly carved out of public stone before being permanently preserved.

A century-old hotspot for jazz, frequented by everyone from Charlie Chaplin to Al Capone.

An enormous park-like oasis, full of famous Chicagoans' graves.