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

A tour de force of a fountain, memorializing a man who loved fountains more than anything else.

A daily replay of the experiment that proved the rotation of the Earth.

Dr Barnes' $25 billion private collection of art and arboretum.

Yo, Adrian!

World's first "penitentiary," meant to be humane, drove men insane.

A suburban street in Anchorage doubles as a runway, and each home has its own airplane hangar.

Siberian husky that delivered a life-saving antitoxin.

This popular fishing spot at the outflow of a 4.5-mile long hydroelectric tunnel sports a jetty literally made out of classic cars.

This Alaskan town appoints the general store's resident feline as honorary mayor.

This three-story antique market and curiosity emporium claims to be "the largest singly owned antique shop in the Pacific Northwest."

The only Leonardo Da Vinci painting in the Western Hemisphere.

A Roman holiday is closer than you think when you use this 1916 staircase inspired by Rome's Piazza di Spagna.

Tacoma's historic Beaux-Arts train station is now a federal courthouse featuring large-scale glass sculptures by artist Dale Chihuly.

A beautiful footbridge with over 2,000 glass sculptures along the walls and ceiling.

A water pumping station disguised as a residential home to assuage concerned neighbors now tricks most passersby.

Twice a year, visitors can tour the desolate site that birthed the Atomic Age.

Remnants of a storybook amusement park hidden behind a strip mall.

This abandoned mine offers a glimpse at what life was like for those who came to Alaska seeking Gold Rush riches.

The only house built with a turret, crenellations, and a moat in Palmer, Alaska.

Pay homage to a preeminent matriarch, and the native Dena’ina people, at this sculpture installation in Anchorage.

The now-serene site of the largest earthquake ever recorded in North America.

Considered by many to be one of the most dangerous highways in Alaska.

The remnants of a wooden-hulled fleet built and abandoned in WWI, now home to a thriving ecosystem.