This historic roadhouse has many tales to tell of San Francisco's early history.

The sole surviving relic of the San Francisco neighborhood cobbled together from old horsecars and streetcars.

The oldest dim sum restaurant in the United States is a nostalgic jewel.

This church in Pittsburgh is home to the largest collection of religious relics in North America.

The unedited photograph called "Bliss" has graced the screens of over a billion computers.

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

Trails through lava-carved tube-caves display sparkling bacteria and a rich history.

One of the most scenic stretches of road in America winds between some of the country's oldest trees.

Quite simply the largest tree in the world (by volume).

This strange seaside tower got its name from a wealthy eccentric who would hide coins among its stones.

Overflowing with shipping containers, this location has been transformed into a massive workspace for artists.

Inside this museum, the history of the Walt Disney Family empire is on full display.

Radioactivity still cause for concern at this urban explorer's paradise.

The grand, column-fronted, sculpture-adorned home of the ambitious digital library.

A man-made island in scenic San Francisco Bay.

A library and museum dedicated to typography.

A collection of memorabilia from the Beat era in the back of a San Francisco bookstore.

The restored and active Victorian-era final resting place of San Francisco.

This 19th-century church is now a popular roller rink.

A nondescript building that's been functioning as a speakeasy for nearly a century and a half.

An essential stop before plundering, BYO Cutlass.

Carnivorous plants, medieval aphrodisiacs, and the largest original wood structure glass conservatory in the western hemisphere.

A walk-in working camera obscura produces 360-degree live images of the San Francisco coast.

Tiki luxury on Nob Hill.