The U.S. Navy's last diesel-electric submarine rests half-submerged in the middle of Portland.

A massive sea stack famous for its appearance in The Goonies.

A ruined mansion hidden in the woods of the Hudson Valley, home of a tragically doomed romance.

The park preserves a single, rare species of carnivorous plant that spells doom for unsuspecting insects.

Tiny horses tethered to antique rings are scattered around the city.

10,000 flowered plants bloom in the City of Roses.

The wooden airship was the largest flying boat ever built.

A rugged lava field dotted with molds of the ancient pines that were growing when the volcano erupted.

The unique circular corral belonging to the “Cattle King” of Oregon.

Plot your trip through the city on the sidewalk.

A room in New York City that contains 250 cubic yards of dirt worth a million dollars.

Golden and naked, the figure that was once the highest point in New York is all that remains of the second Madison Square Garden.

Yo, Adrian!

America's most famous museum of medical oddities is home to the remains of Albert Einstein's brain.

This charming colonial alleyway is one of the oldest continuously used residential streets in the U.S.

Instruments, apparatus, and rare books all relating to chemistry and its related sciences.

A clone-tree in Washington Square Park sprung from seeds that went to the Moon and back.

A dark patch of the ceiling at Grand Central Terminal which was not restored is still stained brown by tobacco.

A trove of century-old litho stones from the Puck Building's printing days were discovered behind a cellar wall, and are now hanging in the store.

Two thirds of this Montreal neon icon has survived to flash another day.

A memorial for the mustachioed record-setting runner.

Delightful disarray of found objects and clutter.

This charmingly homemade amusement park has been growing for 40 years.

No two pieces are exactly the same at Portland's hippo-themed hardware store.