The humble home where the famous beat author lived briefly and wrote one of his most famous works.

The only Florida state park with publicly accessible caves.

Arrr! The most authentic collection of pirate artifacts in the world... matey.

The scuba diving training facility was named for the steam that rises from the cave's chimney.

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.

Islanders once used this dramatic, otherworldly landscape to hide their cattle from Viking raiders.

The abandoned transportation hub hides within the Glasgow attraction it once served.

This volcanic plug boasts the longest recorded history of any Scottish stronghold.

A secret door leads to this cozy dive that sells only “milk.”

The "Bridge Over the Atlantic" lets you cross the waterway in mere seconds.

This huge concrete map of Scotland was built as a thank you gift from a Polish soldier.

Near the former site of numerous witch burnings, this lavish Edinburgh mainstay pays homage to Scotland's brutal history.

Now famous as the "Harry Potter bridge," this impressive concrete viaduct has long been an icon in its own right.

Accessible only at low tide, the deserted island is dotted with World War II ruins.

A church that bred legends, and served as an inspiration for the Da Vinci Code.

An ancient Scottish rock formation said to be the gravesite of a giant remains ensconced in legend and intrigue.

Ruined 11th century abbey built by King David I in Edinburgh, Scotland.

360° views of the city plus five floors of optical illusions and hands-on science.

This dramatic landscape hidden on the Isle of Skye looks as though you've stepped into the magical realm.

These fantastically named natural pools look like something out of a Scottish myth.

This astonishingly geometric cave has inspired everyone from Jules Verne to Pink Floyd.