This stretch of beach along California's central coast is a busy highway for the largest seal in the northern hemisphere.

A local landmark with generations of spraypainted messages, and more being added each day.

Once the gateway to the utopian dream-village of a Civil War embalmer.

This now-deactivated naval base defended the Florida coast for centuries.

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

An antique store houses the last operational diner from the defunct department store chain.

Crumbling pink walls and murder memorials preserve the pioneer history of Joshua Tree.

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

This 140-year-old beacon off the Florida Keys marks the wreck of a Navy ship that once roamed the Caribbean hunting pirates.

St. Augustine's record-setting narrow street was designed to protect against pirates.

Oldest building in California still in use.

One of the last of the great 1920s movie palaces is a Floridian Greco-Spanish-Persian dreamscape.

The awe-inspiring ship from the golden era of cruising has an incomparable history and a reputation as one of the world’s most haunted places.

A tunnel with windows, so you don't miss out on the impressive views.

A building so large that it has its own weather.

This immigrant bridge once spanned the Thames but is now a fixture of an Arizona city.

One of the only Florida forts to remain in the hands of the Union all through the Civil War still stands as a historic stronghold.

Three hundred years of preserved Spanish colonial history in San Antonio.

An old saloon in the West filled with history, and according to some, a few dozen ghosts.

An exotic wildlife habitat right off The Strip.

This quirky hot springs town known to locals as "T or C" was named after a radio show.

10,000 flowered plants bloom in the City of Roses.

The first custom-designed building to showcase the works of Dale Chihuly is a wonderland of glass and light.

A surreal landscape where fanged rocks rise from the ground and the ocean feels like a great mystery.