A castle built for love, and abandoned due to heartbreak.

Shelves covered in dozens of coffee bean varieties fill this North End institution.

A unique botanical garden housed in three giant geodesic domes.

This empty Detroit high school was too expensive to maintain or destroy.

Literally a million fascinating cartographic artifacts are held in this sprawling university collection.

Inside this wonderland of weird, visitors are treated to a collection ranging from skeletons to haunted artifacts.

For 20 years, this whale skeleton has been slowly dripping oil on the floor of the museum where it hangs.

A Roman-style column in Oregon hides a spiral staircase inside.

A county library in rural Ohio houses one of the finest mineral collections in the world.

Locals call this magical moss-covered walkway the "Emerald Path."

Mussolini gave Cincinnati a bronze statue of Romulus and Remus suckling at a wolf's teats.

A midcentury ranch house hides a literal treasure trove of unique rocks and minerals.

A lovely hidden waterfall right off the highway is well worth a stop.

Nestled between a college and a golf course, the garden is home to more than 2,500 rhododendrons.

A landscape of massive spherical boulders are the main attraction in this Kansas State Park.

An offbeat angle on the ocean viewed through an antiquated lens.

This frozen tunnel in central Alaska is both an engineering feat and a valuable climate classroom.

This is the house that spite built.

An unusual, super-sized grocery adventure awaits in an Ohio suburb.

One of the world’s largest and deepest freshwater springs, where mastodons once roamed.

This abandoned Victorian-style house was built in 1884.

This homegrown adoption center offers a wonderland of feline companionship.

The trunks of 3,000 year-old trees lurk beneath the surface of this crystal clear lake in Oregon.

Home to the Amorphophallus titanum "Corpse Flower," which is among the largest flowers in the world and also smells powerfully of rotting flesh when in bloom.