The only royal palace on U.S. soil has been a territorial capitol, a military headquarters, and a prison for a queen.

This museum of Hawaiian and Polynesian culture is the legacy of the last descendant of the Kamehameha Dynasty.

Doris Duke's lasting collection of Islamic Art, hidden in a Hawaiian paradise.

What remains of the summer palace of King Kamehameha III.

These sweets make convincing mimics of everything from fish balls to eggs to koi ponds.

One of the oldest living oak trees in the Southeast.

A maritime museum holding the remains of Blackbeard's pirate ship.

A cement mixer-turned-kaleidoscope in downtown Norfolk offers different views of the city.

This small museum concentrates on the juicy history of orange production in Florida.

The third tallest lighthouse in America once guided author Stephen Crane to safety.

Strange beasts lurking in a garden are all that remain of a quirky, short-lived theme park.

The ruins of a once-thriving sugarcane plantation that was burned in the Second Seminole War.

The ruins of this antebellum sugar plantation are the end result of a Seminole attack during the Florida Wars of 1836.

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

An 18th-century Spanish watchtower made entirely of seashell and concrete.

Intertwined, interspecies trees which locals believe can grant boons to lovers.

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

This natural wonderland is a unique chance to explore a Carolina bay, a mysterious geological formation of unknown origin.

Once home to seven different roller coasters, Glen Echo has undergone many transformations since its founding in 1891.

Giant acorn-shaped 19th century gazebo from which suburban Washingtonians gazed upon the original "silver" spring.

A benevolent, 16-foot-tall river dragon lives on a suburban lawn.

The rooster who crossed the road lives on forever in Takoma Park, Maryland.

The span is crooked and made from two older recycled bridges.

A hoard of sky catalogs, astrophysical journals, even the works of Galileo and Copernicus.