Among the ostentatious rococo ornamentation of this church, an image of death cuts the life-thread.

Golden cobblestones remember a time when this small alley was used to avoid having to give a Nazi salute.

The footprint of a frustrated devil in Munich's Cathedral.

These bronze pamphlets remember a remarkable group of Germans who fearlessly opposed the Nazis in the very center of their power.

The patron saint of spinsters grasps a container of dried blood.

A stairway to heaven, or to nowhere at all.

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

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

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

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

What's left of the ruins of the 1893 Columbian Exhibition, or World's Fair, also known as the White City.

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

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

The site of the first couple's first kiss is commemorated by the most adorable presidential monument ever.

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

A monument to the art of slicing people open.

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

A gothic church spire sits atop this skyscraper, the tallest church in the world.

An antiquated German apothecary on Chicago's North Side.

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

A lush green oasis in the middle of Chicago.

This morbid, delightful curiosity shop offers everything from animal bones to human teeth.

This massive stained-glass masterpiece is thought to be the largest Tiffany dome in existence.

This shop for all your super spy needs hides an educational secret.