The Denver airport is guarded by a 32-foot-tall sculpture of a demonic horse.

At this Denver landmark, the meals are compulsory, the sopapillas are complimentary, and the insanity is everywhere.

While there are no actual snakes in the history of this crooked road, there may be a number of dead horses.

Opened in 1956, the first modern indoor shopping mall in the world was inspired by the shopping arcades found in European cities.

An underground nightclub helped spark a "Singing Revolution."

Eat a Nobel banquet from any year in the basement of Stockholm's City Hall.

Renowned restaurant tucked in a cave once occupied by buccaneers.

This lower Manhattan bar is set up in an old bank vault that rests beneath a skyscraper that hides even more historic splendor.

A basement pool hall is the front for some of the best Dominican food in New York City.

This bright yellow building is packed with sweet treats from all around the world, from chocolate-covered crickets to whoopie pies.

This rare vessel mixed luxury with labor before being converted to a museum and sometimes haunted maze.

A place to eat for on-the-run agents and espionage enthusiasts.

The Art Deco Silver Screen.

A curious collection of miniatures in a quiet corner of the Chicago Children's Museum.

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

In one Chicago park, a trio of werewolves are waiting to devour their fallen brethren.

The bugs crawling down the front of this office building are almost as big as a '68 VW Beetle.

A riverside park built around the ruins of a massive dam that collapsed in 1909.

Statue dedicated to the star of an old television show.

A display of magnificent stained glass windows is the first exhibit of its kind.

Illegal drag racing two stories beneath Chicago’s streets.

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

This historic hotel invented the chocolate brownie.

This prehistoric sinkhole lured exclusively male mammoths to their death, much to the delight of science.