Aqueducts have dramatically changed this old lake, now home to tufa towers and its very own species of tiny brine shrimp.

Four hundred granite steps were built into this massive rock by the National Park Service.

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

Colorful clay cliffs tower over an unofficial nudist beach on Martha's Vineyard.

These three lighthouses played a fundamental role in the maritime life of Eastham.

This lonesome Monterey cypress has survived centuries of wind, salt, and at least one attempt at arson.

This gorgeous beach hides behind two headlands in Oregon's Ecola State Park.

According to legend, this rock represents a young girl trapped by an evil ocean spirit.

A walk through the historic city center, under the streets of Seattle.

A beautiful footbridge with over 2,000 glass sculptures along the walls and ceiling.

Famously misunderstood wonder of the ancient world

Big gun installations, built over a massive cemetery, now abandoned & hidden in trees.

Olfactory delights in San Francisco's Botanical Gardens.

In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.

Centuries of crashing waves carved out this small hole in the rock, which lights up at certain parts of the year.

One poet's handmade, anachronistic home.

This cabin from the 1850s is one of the first structures built by Chinese immigrants in California.

More than 700 species live within this murky marvel of a swamp on California's coast.

It should come as no surprise that the world's largest artichoke lies in the town that calls itself the "Artichoke Center of the World."

Eat a tasty meal in the house where John Steinbeck was born.

This eagle-topped spire remembers the military commander who snatched up California for the United States.

This nature center has one of the largest collections of native raptors in the Pacific Northwest.

One of the most elaborate displays of Jellyfish is on display at the aquarium.

The first park built over a freeway is a brutalist masterwork.