Gaudí's famously flamboyant architectural style is on full display in this sprawling park and garden.

Construction of Barcelona's iconic (but controversial) church is expected to be completed in 2026—a century after the death of its architect.

This 170-year-old Swiss guesthouse built into the side of a mountain is best accessed by a cable car.

An vast warehouse of everyday treasures in Berkeley, CA.

Worker-owned cooperative and resource for those looking to lighten their ecological footprint.

Oakland's beautiful monumental cemetery.

Strange red rock formations that have been attributed to a higher power for hundreds of years.

Tiki luxury on Nob Hill.

Staircase winds down the side of Telegraph Hill through gardens, wild parrots flying overhead.

Three bridges and one giant canyon make up this fantastic Spanish settlement.

The seawater playground of gilded-era San Francisco burned to the ground in 1966.

San Francisco's newly reopened hands-on science museum.

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

A horde of stray cats rule in this secluded Parisian cemetery under a bridge.

Home to items never before seen by the public.

A beautiful geyser under environmental threat.

The deepest lake in the United States, and once the site of epic destruction that lives on in legends.

A hotel and restaurant serving as the mecca of kitsch.

A "gravitational anomaly" located in the redwood forests just outside of Santa Cruz, California.

The only theatre in the world constructed specifically for sound movement.

Crystal clear lake with a shoreline of travertine located in a Colorado canyon.

Elevated freight railway turned wildly successful urban park.

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

The fairy tale castle of the "fairy-tale king."