A hidden beach at the end of a tunnel of mangrove trees.

Every winter, this tiny islet on Florida’s Gulf Coast is swarmed by some of the largest birds on the continent.

Known as the most resilient water tower in the region.

This kitsch eatery is chock-a-block with bric-a-brac.

In a city crazy for seashells this museum educates and amazes visitors using the wonder of cast-off exoskeletons.

The bizarre story of the mysterious death and hidden treasure of one of Sanibel Island's early homesteaders.

The world's only underwater laboratory where "aquanauts" study oceanic life.

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

Abortion, prohibition, religion, war, and fear all play a part in the history of this idiosyncratic Pacifica castle.

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

Big gun installations, built over a massive cemetery, now abandoned & hidden in trees.

Visible below the waves are memorials to the city's Gold Rush dead.

A 300-ship graveyard, with a few still visible at low tide.

San Francisco's urban bison herd has persisted in the face of extinction, development, and disease.

Tiki luxury on Nob Hill.

Here, visitors can swing with the waves of the Pacific Ocean.

"Girl in a Wetsuit" is what happens when a sculptor has to find a way around a 100 year old copyright.

This former luxury resort in Kaua'i is now an abandoned relic.

A Hawaiian stairway to heaven—that you can't climb.

These ancient sacred grounds granted amnesty to those who managed to reach them.

This black shoreline is made up of exploded lava particles.

A haunted hot springs hotel that went from healing retreat to asylum before it was restored.

The second largest waterfall by volume in the U.S., Willamette Falls is outdone only by Niagara in the amount of water that is pushed northward.

These machines have been collecting dust for decades.