The spot in the Mile-High City that's exactly 5,280 feet above sea level (at least for now).

A peculiar mansion built by the troubled heir to the Winchester Rifle Company fortune.

A curious collection of oddities including a lock of Alexander Hamilton's hair and Harry Houdini's ouija board.

Garden dedicated to native carnivorous plants and site of huge flytrap heist.

Visitors flock to see this church tower's unintended feature: It happens to resemble a giant chicken from multiple points of view.

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

Sitting in the arguable birthplace of the Wild West, this museum holds the largest collection of bronco busting bric-a-brac in the world.

The beautiful tunnel that ran from the lobby to Penn Station is still hidden underneath 34th Street.

The New York hotel where tragic visionary Nikola Tesla spent his final hours, destitute and alone but for the pigeons.

One of the longest water bridges in the world was built over a supposedly haunted swamp in Louisiana.

New Orleans' famous cemetery, located on the site of a former race track.

A museum and shop on Bourbon Street located in the former home of the second Voodoo Queen of New Orleans.

You can walk through the first Boeing Air Force One, which famously carried JFK's casket from Dallas back to D.C.

A Bibliophile's Dream.

Final resting place of Geronimo, Quanah Parker, and the first atomic gun ever fired.

These delicate buggers are some of the rarest fossils that have bubbled up from the Tar Pits.

American bison herd descending directly from a Bronx Zoo breeding program that saved the species from extinction.

This little slice of old Jerusalem in Oklahoma is the evolution of a 90 year old passion play.

World's smallest skyscraper, the product of a remarkable con.

The first custom-designed building to showcase the works of Dale Chihuly is a wonderland of glass and light.

The largest puppetry museum in the United States houses the world's most complete collection of Jim Henson artifacts.

This abandoned five-star hotel is now a five-star urban exploration destination.

The subtle science of a master molecular gastronomist.

Chicago was once a major hub of film production, but being silent film you don’t hear much about it.