Abandoned landscape once home to "the world's largest winery."

Across Ring Mountain is a vast collection of Native American petroglyphs unique to the region.

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.

One man's love of natural beauty led to the creation of this hidden granite monument.

Astronomers plan to launch a space telescope into orbit, to find out what exactly stands in the way of an asteroid hitting Earth.

A porcelain company's former dumping ground, completely covered in pieces of collectible ceramics.

A 90-acre park on former landfill that hosts an annual kite festival.

An amazing collection of fantastic reptiles, amphibians, spiders, and insects.

The only museum of sake in the United States is nestled in an unlikely California college town.

An abandoned car and strange wooden debris are among the scattered remains of the old sand and gravel quarry.

Here, Father Agapius Honcharenko established his homestead, becoming the first nationally conscious Ukrainian to settle in the United States.

This quaint archive of the silent era preserves and pays homage to a seminal moment in film history.

A Roman-inspired temple once controlled half of San Francisco's waters.

Some of the tallest ancient American ruins continue to inspire awe and curiosity.

Come for the pizza, stay for a performance on the world's largest theater pipe organ.

This 40-room dwelling tucked within a cliff was built by the basin's prehistoric residents.

The unusual burial monument of Arizona's first governor.

A strange sandstone formation in the middle of nowhere presents an interesting climbing opportunity.

A geological mystery on Camelback Mountain.

The historic “pink house on the hill” is an architectural gem that now serves as a center for water conservation.

This small, unassuming street is now a canvas for color and creativity.

The first permanent memorial to a unique secret weapon of World War II.

The gravestones in this lost burial ground were bulldozed and replaced with houses and a dog park.

An allegedly haunted mansion with a tragic, tawdry past.