A commonwealth favorite in the heart of Pasadena.

An unfortunate geological resemblance to Satan has labeled this Pasadena gorge as a passage to the underworld.

NASA's leading space science lab started by a co-founder with deep ties to the occult.

A museum dedicated to restoring vintage aircraft, located at a working airport.

The "world's biggest dinosaur" once housed a creationist museum in its abdomen.

The marker offers a rare chance to be in four U.S. states at once, though there's some controversy over its geographic accuracy.

Remants of foundations, streets, and streetcar tracks inhabit the cliffs where a landslide occurred in 1929.

A hollow cement depiction of time's inexorable effect on the human body.

Some of the most unusual (and in some cases, disgusting) flavors of soda imaginable.

A newspaper building that made radio history.

A bigger-than-life pun that has become a beacon of altruism.

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

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

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

One of the few remaining relics of the meatpacking hub that made Chicago the "hog butcher to the world."

The palatial McDonald's that inspired Wesley Willis.

Chicago's Navy Pier on Lake Michigan was a training hub for aircraft carrier pilots during WWII.

This awkward aquarium sculpture is one of the strangest statues in Chicago.

A goddess-topped water fountain in Chicago was created thanks to the dreams of a thirsty newsboy.

Illegal drag racing two stories beneath Chicago’s streets.

This memorial plaque remembers a strangely shallow maritime disaster known as "Chicago's Titanic."

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

This $3 million model train takes you through Chicago, Seattle, and the thousands of miles in between.

The iconic Chicago sculpture hides a beautiful and easily overlooked plaque on the backside.