Part of a secret 1970s nuclear defense program is now open to the public.

The remnants of an early American attempt at missile defense.

These former Cold War launch sites have been preserved for tourists to see where the button might have been pushed.

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

One of the most elaborate displays of Jellyfish is on display at the aquarium.

For over 75 years, this cute stone statue has warmed the hearts of San Antonio.

A Beaux-Arts triumph set to become Ford's innovation campus

The world’s largest combined collection of U.S. and Russian aircraft got its start in a poultry building.

Cannon designed to fire an atomic warhead.

The world's oldest continuously operating airport was founded by the Wright Brothers.

America's first nuclear-powered merchant ship is now a time warp to the atomic age.

A pre-Industrial Age iron furnace and the site of a nearly-forgotten piece of Black history.

It may look like no more than a full-scale model, but every part of this full Space Shuttle stack had a working role in aviation history.

A propulsion engine testbed that paved the way for the Space Shuttle launch sits without recognition at this rocket center.

Inspired by a foil-wrapped potato, (seriously) the Markel Building has been deemed one of the 10 ugliest buildings in the world.

Another of California's unused Cold War missile defense complexes has become a graffiti gallery.

Named after a bandit and the star of several Hollywood prehistoric landscapes, these sandstone formations are a historical part of the Los Angeles natural landscape.

This weird abode has inspired everything from the "House On Haunted Hil" to a robot hunter's pad.

A tribute to the little-known group of women who were the first ever to fly aircraft in the U.S. military.

A wacky, UFO-shaped house in a suburban neighborhood.

This historical air terminal in Houston is slowly becoming an aviation museum dedicated to the city's aeronautical history.

A registered historic landmark shrouded in unsettling local legends.

The house where the pulp fiction writer and Conan the Barbarian creator lived.