North Central Florida's largest flea market and a weekend roadtripper's dream.

This beautiful Miami garden was designed as a laboratory for tropical plants.

A luxuriant botanical garden below sea level.

The only Florida state park with publicly accessible caves.

A secret, rocky playground hidden amongst the plain white beaches of the Florida coast.

Florida castle built with aluminum printing plates.

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

This ancient octopus-like tree was saved from destruction thanks to shady reporting.

This ancient sinkhole-turned-healing-pool is a treasure trove of archeological discoveries and may even be the Fountain of Youth.

Japanese gardens dedicated to the Japanese farmer that refused to throw in the trowel.

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

This home is decked out like a psychedelic explosion of colors and bowling balls.

A giant 400-acre preserve in North Florida for displaced wolves.

A haunted hill that supposedly defied gravity.

St Bernard de Clairvaux Episcopal Church, better known as one of the oldest European buildings in the Western Hemisphere.

Florida might be at its most surreal in this museum devoted to the famed Spanish artist.

Where manatees are the snowbird vacationers in these balmy Florida springs.

Possibly the most beautiful carillon in the world, set atop Iron Mountain in Florida.

The oldest house in Washington, D.C. wasn't originally constructed in the nation's capital.

A surprising, but overlooked example of geology in the middle of the nation’s capital.

A derelict bit of infrastructure from the canal that once ran through D.C. is landlocked in the heart of the city.

This mysterious structure by the Washington Monument is a flood barrier designed to protect the White House against rising waters.

This nine-story building is the oldest standing skyscraper in D.C.

Before Metro, Washington had a robust streetcar network—and you see the remains of this infrastructure if you know where to look.