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

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

Former meatpacking facility turned vertical farm and sustainable business complex.

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

Cemetery featuring rare glass-fronted columbarium.

Beloved bar home to musicians of all eras and reputations.

The world's only known button museum.

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

This alley in downtown Chicago held the bodies of over 600 people after the fateful Iroquois Theatre fire.

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

The beloved home to all publications indie, erotic, and punky.

A shining sculpture made of 3,115 lights, the number of visible stars in the Northern Hemisphere.

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

Artistic tombs, monuments, and a beautiful "Hall of Fame" lurk inside this cemetery.

Sculptor Vadim Bora's bronze felines pay playful homage to architectural features no longer extant along Asheville's Wall Street.

A nourishing complex of found object art, paintings, and sculptures that celebrate key figures in Black history.

Classy up your Big Mac with bow-tied servers and chandeliers at the world's fanciest McDonald's.

A wonderful display of arts and crafts handmade by local artisans in the Southern Appalachians.

A 17th-century bezoar, dirt from an infamous site, and other curios decorate this unusual bar.

A wedding chapel, vintage clothing shop, and bar all under one roof.

This rare basilica nestled right in downtown Asheville is an architectural marvel, inside and out.

This forgotten beach house built to look like a Frank Lloyd Wright masterpiece overlooks a hidden beach.

A town honors its legacy of traditional American Indian pipe carving with one gigantic pipe.

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