The newsstand that never closes its doors—well, almost never.

An off-grid art installation that encourages its visitors to imagine a world without waste.

Thousands of turbines whir at at the origin of North American wind power.

The timepiece that exonerated a labor radical accused of a parade bombing that killed ten people.

This giant shopping mall still holds signs of its automotive past.

A mountain range on an active U.S. Navy base hides thousands of mysterious prehistoric rock carvings.

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

A rich history stashed behind an unassuming door in the heart of Gold Country.

A pair of disused Los Angeles electrical poles now glow with delicate windows into the past.

"You don't need a rocket scientist to build a steam engine, but we've got one." -Museum docent on the credentials of a restoration volunteer.

This 1920s masterpiece of French Quarter architecture hides a secret tunnel used by Albert Einstein.

At 130 years old and 126 feet tall, it is the largest known example of the rare Torrey pine tree.

The remains of a deserted steamboat sit rusting beside an old ferry pier and an abandoned train platform.

The world’s largest concentrated solar plant generates as many problems as megawatts.

Pasadena’s Stonehenge.

A water tower shaped like a giant coffee pot looms over a small Swedish village in Central California.

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

A massive hydrovolcanic explosion left a half-mile wide crater in Death Valley.

A Tibetan Temple and Buddhist organization just off the beaten path in Northern California.

Rising out of miles of farmland, these buttes are sometimes called the world's smallest mountain range.

An ode to the friendship between four Pacific Rim countries.

Outsider art or homage to aliens?

Etched into a dry lake bed, this massive directional indicator is accurate without magnets.

Monumental sculptures of Patrick Amiot, constructed from debris, detritus, and determination.