Portland had a unique approach to Cold War-era protections.

This Cold War siren is one off the last of its kind still standing with its immensely powerful original horn.

Statue of Lenin, from Cold War era Czechoslovakia, now in a neighborhood of Seattle.

This park celebrates a sister city relationship that survived the Cold War.

A nondescript Seattle restaurant inherited a piece of European history.

The White House Situation Room was taken apart in 2006 and shipped to the Ronald Reagan Presidential Library.

A Cold War site complete with rusty structures, hiking trails, and beautiful views.

These colossal desert barcodes have been fine-tuning spy satellites for decades.

A memorial to the unknown and unheralded men and women of the Cold War military and intelligence services.

What was to be the world's most secure Cold War document vault ended up as just a few shallow caves.

Concrete crosses scattered across the Arizona scrubland which were used to align spy satellites.

Dozens of rockets and missiles are on display outside a testing facility in the Utah desert.

One of the first intercontinental ballistic missile sites in the United States.

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.

The only remaining Cold War–era Minuteman II missile control center in Missouri.

A gem in the small Missouri town where Winston Churchill coined the term "Iron Curtain" and effectively began the Cold War.

A rustic house where intellectuals and investors tried to put an end to Cold War nuclear armament.

Cold War missile launch site which has been converted to a public park.

The Cold War-era "underground Pentagon" is a sprawling subterranean hideaway for the Defense Department.

This museum sits on the site of a decommissioned military communications base.

An out-of-place Air Force radar dome is all that denotes this park as a former missile launch site.

Three abandoned missile silos are hiding in plain sight behind a suburban development in Maryland.

This former POW camp was transformed into a Cold War missile installation.