A terrific purveyor of natural history objects and curios.

The Hudson River School comes alive at this palatial estate.

A winding, cliffside stretch of road overlooking the Delaware River.

Queen Anne style apartment house built in 1886.

Reclaimed by nature, the ruins of Doodletown, New York are remnants of a town consumed by a state park.

The only intersection in America where the buildings on all four corners were built pre-Revolutionary War.

The highest point in the state of New Hampshire, and while unlikely "the worst weather in the world," it sure seems that way to hikers.

A mysterious air force base built to resemble a Long Island fishing village.

A former poultry store that looks like a giant duck and is one of the "seven wonders" of Long Island.

The second-largest (of only two in the world) large particle collider is the underdog of experimental physics.

The last moments of the ill-fated Pompeiians, frozen forever in plaster.

Erotic art covers the walls of the largest ancient pleasure palace.

The magic's in the hole!

A roaring, awe-inspiring double cascade of icy water flows through woodland Oregon like something out of a Tolkien novel.

The highest point in Washington state is a volcano covered in glaciers.

Under the right circumstances, this waterfall in Yosemite briefly turns a luminescent fiery orange.

Giant novelty guitars now mark the spot where Robert Johnson is said to have sold his soul to the devil.

A wall of chewing gum moonlights as collective art.

The oldest continuously inhabited street in America.

A once grand hotel is being retaken by the wilderness it once capitalized on.

One man's swirling six-acre monument of stone.

Beneath the mossy overgrowth covering this once-sprawling campus lies decades of history and the secrets that come with it.

First a horse rendering plant, then a 19th century landfill, this beach is full of glass from thousands upon thousands of broken bottles.

A museum devoted to bringing to light forgotten or neglected histories through exhibitions, education and public programming.