A building so large that it has its own weather.

The unique collection includes bronze cast handprints of some of America's most famous astronauts.

A creative deviation in this post office's design was once a source of controversy.

History is hiding at the Morean Center for Clay.

A museum preserving one company’s history of preserving food.

After the attack on Pearl Harbor, rocks and fossils from every U.S. state were collected into a pyramid of national unity.

The humble home where the famous beat author lived briefly and wrote one of his most famous works.

A sculpture made of 10 Cadillacs as a monument to the "Golden Age" of the American automobile.

A home designed to be on the cutting edge of comfortable, low-cost living.

This notorious Canadian mental institution was home to some of the first LSD experiments and origin of the word "psychedelic."

Underground tunnels once home to crime are now back open to the public.

One of the last remaining buildings from one of Calgary's earliest businesses.

The classic Atari game's iconic aliens have invaded downtown San Diego.

Giant origami crease patterns engraved in Santa Monica intersections may even be visible from space.

The dramatic upward-curving roof is one of the most iconic examples of Googie architecture that still stands today.

A huge musical instrument played by the ocean.

Huge spherical rocks in the middle of the prairie.

A mistaken marker makes an erroneous claim along the historic Old Divide Road.

A cabinet of curious mathematical models and old calculators.

Some 10,000 works of ancient rock art cover these volcanic basalt outcrops near the Gila River.

The remnants of an early automobile route across shifting sand dunes can still be found in the deserts of Southern California.

Abandoned bridge hidden deep in the San Gabriel Mountains.

Perhaps the most unique of any Frank Gehry design for one simple reason: Gehry himself actually lives here.

A temple to modernity, tucked away amid Barcelona's more well known museums.