Three hundred years of preserved Spanish colonial history in San Antonio.

Though strikingly beautiful, Seattle's other railway station is now largely forgotten.

Turning night into day in Victorian-era Austin to thwart a serial killer.

20,000 pieces in a Frank Gehry-designed building.

The Grand Canyon of Texas.

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

A store full of vintage and indie toys designed to bring out the kid in even the crustiest of adults.

Home to the largest urban bat colony in North America, estimated at 1.5 million bats.

A colorful architectural gem in Seattle's uniquely modern Central Library.

A Bibliophile's Dream.

The longest continuous lava tube in the continental U.S. offers 2.5 miles of dark explorations for the adventurous.

Each year these high desert hills are absolutely covered with poppy flowers in a surreal show of nature.

The one-stop shop for all of your superhero (or evil arch-nemesis) needs.

Hollywood's most famous landmark, the "temporary" sign that has stood for decades longer than intended.

A museum dedicated to the history and exploration of both popular music and science fiction.

A roaring, awe-inspiring double cascade of icy water flows through woodland Oregon like something out of a Tolkien novel.

An emerald-green grotto just a short trip from Austin.

Portlandia is the second-largest copper repoussé statue in the United States.

An enormous pink granite batholith, long attributed with spiritual powers by the Tonkawa Indians.