The graveyard holding the remains of George Washington's slaves was forgotten for nearly 200 years.

A convincing little bit of ancient Egypt smack dab in Richmond, Virginia.

The semi-reclaimed ruins of this canal were once part of an ambitious plan to reroute the mighty potomac.

At 207 feet, one of the world's longest continuous escalators.

This 29-ton granite ball spins around at the slightest touch thanks to a scientific phenomenon.

The skeletal white beams stand as a monument to religious dissent.

This Virginia railway overpass is said to be haunted by a serial killer in a rabbit costume.

An organ located deep within a cave, whose "pipes" are the geological features of the cave itself.

A secretive collection featuring objects that were designed specifically for U.S. intelligence operations.

This museum devoted to the gothic author holds such interesting ephemera as his socks and walking stick.

A sacred site for Native Americans surveyed by George Washington and owned by both King George III and Thomas Jefferson.

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

Two mammoth statues inspired by equally tall tales lure tourists to this roadside attraction.

An historic and oft-filmed spot for musclebound iron pumpers on the Pacific coast.

Legendary frontman of the Doors looms in this giant mural by famed Venice muralist, Rip Cronk.

A famous alternative culture epicenter and where Joplin serenaded young hippies.

Pay your respects to a folk-punk legend.

A giant donut stands as a popular symbol of Los Angeles iconography.

Life in this isolated, hilltop lighthouse was lonely, but it sure was lovely.

Commonly referred to as the most photographed Victorian home in the United States.

The last remaining relic of San Francisco's glittering 1915 Panama Pacific Exposition.

This Big Sur waterfall drops 80 feet directly into the Pacific Ocean, and inspired the hillside house up top.

Scores of vintage street lamps shine along L.A.’s Miracle Mile.

One of the most scenic stretches of road in America winds between some of the country's oldest trees.