While it is not equipped to peer into outer space this observatory looks like it was built on the moon.

The world's last remaining store of its kind.

The longest continuous lava tube in Oregon.

Massive crater in central Oregon.

A volcanic landmark located on an Ice age lake bed.

Eat like a "buckaroo" at this remote restaurant.

A volcanic fissure over two miles long and up to 70 feet deep.

The oldest dim sum restaurant in the United States is a nostalgic jewel.

San Francisco’s condensed garden of incredible plant growth.

An overlooked and unassuming engineering marvel.

A massive ultra-modern church presents a science-fiction view of Catholicism's inclusive future.

Bonsai garden in Oakland is curated by the first non-Japanese female bonsai master in the United States.

At night, a grove of towering redwood trees growing through the pavement block out all light from the so-called “Dark Park” of Madrone Avenue.

George Lucas donated this park to honor the birthplace of his two biggest movie franchises.

Frank Lloyd Wright died a year before construction on his largest public project even began.

Air Force Academy Chapel made of 100 identical tetrahedrons works to inspire those of all religions.

Small teepee-like houses built for TB patients have become sheds, studios, and bus stops around Colorado Springs.

Strange red rock formations that have been attributed to a higher power for hundreds of years.

A mesmerizing disco ball-like sculpture along the Sacramento River Walk.

This 15-story mural celebrates the 50th anniversary of the musician's iconic "At Folsom Prison" album.

Of all the origin stories for weed's secret code, this one likely has the goods.

A pair of slides and a tree-lined stair corridor have been an urban oasis for nearly 40 years.