Mengzhonghua Photography / Getty Images

Denver International Airport has some secrets.

At least, that’s what all the conspiracy theorists on the internet will tell you.

It’s all been pretty tongue-in-cheek.

DIA (Denver International Airport) Dawn

Credit:Mengzhonghua Photography / Getty Images

It was built by the New World Order.

The giant blue horse sculpture is a nod to the Four Horsemen of the Apocalypse.

Sure, that all sounds pretty reasonable, but what about the idea that “Blucifer” is cursed?

Interior of terminal at Denver International Airport, Denver, Colorado

Yaya Ernst / Getty Images

But as mundane as it sounds, the sculpture is simply a piece of artwork and nothing more.

It contains the Illuminati headquarters.

There are two reasons this rumor has had so much staying power over the years.

Blue horse sculpture with bright red eyes.

Courtesy of Denver International Airport

Conspiracy theorists believe Illuminati money was used to finish the job in exchange for secret access to the property.

I mean Denver International Airport."

Its underground tunnels have secret bunkers.

Back of train in a dark tunnel.

Courtesy of Denver International Airport

Rumors regarding the end of the world make up some of the biggest Denver Airport conspiracy theories.

The artwork provides clues about the end of the world.

Theories abound regarding the depictions of various macabre doomsday scenarios and allusions to biological warfare.

: A traveler looks over a wall mural, part of an installation at the Denver International Airport entitled, Children of the World Dream Peace October 20, 2016.

Andy Cross / Getty Images

They’ve also been known to banter with passersby so don’t be surprised if they start in.