Baroque celebration of the end of the Great Plague of Vienna.

One of the largest trees of its kind in California.

The classic Atari game's iconic aliens have invaded downtown San Diego.

Every weekend, people gather here for a brief chance to see their loved ones on the other side of the United States–Mexico border.

A sculpture of the famous photograph stands on San Diego's "Greatest Generation Walk."

L. Frank Baum wrote part of the "Wizard of Oz" series in this wooden Victorian beach resort.

One of the few remaining carousels built by master amusement park carver Charles I.D. Looff.

The exterior of this home was used for the hit television show, The Brady Bunch.

An iconic location along the Los Angeles River where countless movie scenes are filmed.

An historic and oft-filmed spot for musclebound iron pumpers on the Pacific coast.

There are lots of hands and feet stamped in the cement in front of Grauman’s Chinese Theater, but Mel left behind something extra.

Historic funicular railway, believed to be the shortest railroad in the world.

These delicate buggers are some of the rarest fossils that have bubbled up from the Tar Pits.

High on a hill overlooking Los Angeles lives a world famous, high power conical Tesla Coil.

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

The attic of a four-century-old canal house hides a clandestine church.

Three connected pink triangles memorialize persecuted gays and lesbians throughout history.

In the days before house numbers, these colorful signs held clues about various buildings' purposes.

This museum housed in a former brothel explores the past and present of sex work in Amsterdam.

This three-mile concrete levee in Pueblo, Colorado was transformed into the world’s longest painting.

Air Force Academy Chapel made of 100 identical tetrahedrons works to inspire those of all religions.

There are eight natural springs around town, each with a slightly different taste.

This grand stone tower was dedicated to a famed American humorist almost by coincidence.

The remains of the dam that unleashed a 15-foot wall of water on Denver.