This sandstone gorge in New York State's Adirondack Mountains is home to waterfalls, flumes, and more.

The summit Roosevelt conquered before he descended to become The Chief.

The library of every book lover's dreams.

In upstate New York, gorgeous waterfalls and a watermill are slowly being reclaimed by nature.

Pluto is still considered a planet in Ithaca, New York.

The internal railway of one of the biggest steel plants in America has been transformed into a linear park with unique industrial views.

In which a local geological marvel becomes a quaint roadside attraction.

An almost life-sized elephant named Ms. Ellie greets visitors at this jumbo-themed museum.

A favorite of Amelia Earhart, ranking among those rare bridges that can be crossed without changing sides of the river.

Once one of the world's great cities, Cahokia was a place of religious worship, trade and mass human sacrifice before being mysteriously abandoned.

Fresh wooden posts have been added to ancient holes to recreate a primitive henge clock.

The current Eureka County Courthouse replaced an all-wooden structure that had previously been an ice-skating rink.

Officially named the "Loneliest Road in America," this barren stretch of Nevada road offers almost nothing but sky and open fields.

A tree bears footwear on the loneliest road in America.

This Old West eatery along America's Loneliest Road was originally a stop on the Pony Express.

Singing sand that stands as the final remains of an ancient lake.

This concrete tangle of square pipes has stood as a proud thorn in the city's side since the '70s.

The seawater playground of gilded-era San Francisco burned to the ground in 1966.

The giant pair of sexy legs sticking out the window of this costume store have become its main draw.

Staircase winds down the side of Telegraph Hill through gardens, wild parrots flying overhead.

San Francisco's newly reopened hands-on science museum.

The unbelievably opulent home built for an infamous newspaperman.

This stretch of beach along California's central coast is a busy highway for the largest seal in the northern hemisphere.

It took 82 years and four different plaques to finally get the story right.