An enchanting tunnel of cypress trees leads to an old morse code station still used today.

The lighthouse central to the 1980s horror classic "The Fog" is, in fact, located in one of the foggiest areas of the Pacific Coast.

A sculpture dedicated to Napa Valley's oldest mineral water company.

California's own medieval Italian castle, authentic down to the 300-year-old iron maiden in the dungeon.

The largest drain hole in the world.

The first U.S. town to secede from the Union, only to vote themselves right back in.

This rock formation named for its unique shape is one of many that call the Alabama Hills home.

For decades, the largest tungsten producer in the U.S. was located in a spectacular setting in the high Sierra Nevada, with some of the workings over 11,000 feet.

An unusual and beautiful form of mass transit serves the city's steepest neighborhoods.

A relic of the region's once booming timber industry.

A 400-foot-tall tall map of Chicago makes this once-ignored building stand out.

A classic gold rush hotel can be expected to pick up some ghosts along the way, and the Golden North is no exception.

The memorial to the victims of the Jonestown Massacre carries the names of 918 lost, including one name people wish wasn't there.

Hidden in the Santa Ynez Mountains off Highway 154, this tiny restaurant once served as a stagecoach stop.

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

This seaside production studio was built to film 'Titanic' and has been the wet set of choice for other Hollywood productions since.

A world-class observatory in the California desert.

The ghostly remains of an accidental sea.

The so-called "Bridge of Thighs" in Palm Springs allows nudists to discreetly cross the road.

Smooth basaltic rocks tell a tale of ancient glacial waterfalls.

A remote crossroads honoring a fallen talent.

The interior of the Overlook Hotel in "The Shining" was based on this Yosemite original.

One of the oldest reform schools in the United States, home to wayward boys such as Merle Haggard, now abandoned.

Where the first "expert riders, willing to risk death daily" for the Pony Express were recruited.