Golden Gate Park's historic collection of plants.

San Francisco's urban bison herd has persisted in the face of extinction, development, and disease.

The last remaining relic of San Francisco's glittering 1915 Panama Pacific Exposition.

Tiki luxury on Nob Hill.

This stone windmill marks an old, mysterious homestead in what is now central Austin.

Just like the real 36th president of the United States, animatronic LBJ amuses visitors with jokes and stories.

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

Explore the largest pure gypsum deposit in the world, and go dune sledding while you're at it.

A gorgeous garden oasis with winding paths, stone bridges, and a troubling history.

Locals dubbed it the "Owl Building" because of its bird-like appearance.

Home to an endangered salamander, a full moon celebration, and a large spring-fed outdoor swimming pool.

The upstairs reading room is packed with millions of rare books, literary manuscripts, and historical treasures.

This simple frog painting created by musician Daniel Johnston embodies the spirit of Austin.

Austin’s local mountain isn’t really a mountain at all.

Gilded heaven for philatelists and architecture freaks, still in full working order despite sitting atop tremulous ground.

The biggest drug trafficking passage between Mexico and the U.S.

66,000 pieces of art, donated by one of the world's richest men.

Frida Kahlo's childhood home, now a museum of her life and works.

A jaw-dropping "megalibrary" that turns book-browsing into a geometric adventure.

The only castle in North America to ever house European sovereigns.

Part bookstore, part café, and part forest.

Continuing the tradition of the dime museum in style.

"Respectful to the dead, safe and sanitary to the living, dedicated to the Genius of Memory..."

A plaque hangs near the execution place of the Scottish Independence leader famously depicted in "Braveheart."