This miniature feudal castle was built on a whim to honor a US Navy pioneer.

America's "second most important bell" is a contentious spoil of the Civil War.

This uninhabited island in Maine is home to various works of art left by visitors over the years.

The pleasant woodland cemetery that has inspired more than its fair share of wild legends.

The Wright Tavern is possibly the most important building in Concord Massachusetts to the American Revolution.

This small-town Connecticut restaurant gives each diner a free book from its vast library.

The tea room that pushed the boundaries of adorable straight into...we can't find the words.

The island of Lanai in Hawai'i is a paradise for cats and cat lovers.

Take shelter from Hawai'i's tropical heat under the massive canopy of largest Banyan tree on the island.

Try a classic Necco candy bar being resurrected in a small suburban shop.

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.

This mom-and-pop Japanese sweets shop has been serving cloud-light mochi for almost a century.

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

A treasure trove of artifacts, books, and artwork from the "golden age" of exploration.

It should come as no surprise that the best view of the Hollywood sign is from Batman's lair.

The vast, legendary catacombs hold secrets much stranger than stacked bones.

An emerald-green grotto just a short trip from Austin.

Hot springs monkey spa in the middle of Hell's Valley.

Rippling sand dunes frozen in the Arizona rock.

The world’s oldest and biggest bookstore stocking only mystery, crime fiction, espionage, and thrillers.

A kaleidoscopic warehouse-maze of handmade neon signs.

This shop and gallery is a modern-day cabinet of curiosities, unassumingly positioned along an urban thoroughfare.

This secluded aqua waterfall in the Grand Canyon is the perfect swimming hole, and the Havasupai tribe's fiercely protected natural wonder.