This former small town was destroyed not by the motor oil it sprayed the ground with but by the toxic waste that was added.

Once one of the world's great cities, Cahokia was a place of religious worship, trade and mass human sacrifice before being mysteriously abandoned.

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

Stand at the point where the two mightiest rivers in the United States converge.

The owners of this Victorian-era estate say it’s still visited by the spirits of long-gone residents.

During the 19th-century, this park was a vital trading fort.

Odd castle-like structures for collecting water sticking out of the Mississippi River.

A late sculptor's last project was to turn this abandoned cement factory into a castle-themed amusement park.

One man's unrequited love stands in a glass box forever.

The first rural cemetery west of the Mississippi is home to the elaborate tombs of St. Louis' local beer barons.

The oldest soda fountain in St. Louis has been serving up treats for more than a century.

An abandoned factory along the Mississippi coated by a giant mural.

An abandoned meat mecca now serves as an excellent locale for urban exploration.

Hundreds of graffiti artists have decorated this flood-wall on the west bank of the Mississippi River.

The eccentric and colorful pavilions of Tower Grove park are a beloved and overlooked symbol. 

A chessmaster's dream destination.

What was meant to be a temporary exhibit is now a permanent fixture at the St. Louis Zoo filled with beautiful birds.

This titanic oil company sign is a reminder of the Americana boom of the 1970s and also its commoditization.

This is not your typical jungle gym.

A commemoration of over 150 of St. Louis's favorite sons and daughters.

Entombed in this strange, white stone hill are the deadly remains of radioactive weapons production.

After miraculously surviving a giant flood, the 19th-century nut tree and its offspring are protected with their own tiny park.

A sculpture of a giant man escaping from the depths of the Earth.

Famous church recognized for both its unique design and disciplined monks that live according to the Benedictine discipline.