These remote Florida islands have a history of sea turtles and sunken treasures, and one of the world's largest coastal brick fortresses.

The birthplace of American international flight service has been turned into a celebrity's microbrewery.

The highway's southernmost spot is a beloved local attraction.

"We Seceded Where Others Failed."

A monument celebrating the idea of reaching inaccessible places.

A small poultry graveyard in the courtyard of a popular Key West watering hole.

The former home of the Nobel Prize-winning American writer is now home to dozens of six-toed cats.

An unprepossessing storage reservoir in southern Utah has a checkered past.

From atop a hill at the center of Cape Town, a cannon has been signalling the time since 1806.

The three biggest silent film stars once shot iconic scenes here.

This bank is widely believed to be the inspiration for the offices of Philip Marlowe, the hardboiled detective featured in a number of Raymond Chandler's stories.

Though tiki culture has gone in and out of fashion, the Tonga Hut has always been flying the flag in Los Angeles.

This Hollywood dive houses a mural painted by the artists who animated its namesake film.

This mysterious and creepy location instills a strong sense of foreboding in all visitors.

Once the most flame resistant building in the country, the South Carolina Historical Society building was almost burnt down in a fire.

South Carolina's last remaining slavery auction house is now a museum devoted to its own tragic history.

This small memorial is almost as well concealed as Smalls himself was on the night he sailed to freedom.

Thirteen pastel palaces in downtown Charleston add a gorgeous splash of color to the city.

The walls of America's oldest masonry fort famously "swallowed" cannonballs.

Bronze footprints mark the path where a civil rights leader tried to march in peaceful protest before being knocked unconscious.

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

The oldest liquor store in the country is a model of resilience and mischief.

This sinkhole in the Arizona desert is filled with carbonated, arsenic-rich water

This massive redwood tree has stood in Northern California for nearly 2,000 years.