The 606 is a decade in the making.

A giant bronze coil of feces is both a tribute to doggie defecation and a reminder to pick it up.

One of only two remaining Victorian-era greenhouses in New York.

Records of the dead describe the myriad odd ways people used to die.

This collection of grinning ephemera has grown from basement to Brooklyn.

One Brooklyn man's collection of life-size fiberglass statues has taken over his entire yard.

One of the most enjoyable bits of history at Coney Island and “the most romantic ride in the world.”

Failed state-supported institution meant to rehabilitate students with intellectual disabilities.

A reservoir of vintage pinball machines and arcade games for the nostalgic and thrill seeking.

Where the embers of the Big Bang were first detected.

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

The site of one of history's most indelible and horrific tragedies.

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

One man's lifelong obsession with death.

Mysterious rocks that ring musically when struck.

The headquarters of the Fraternitas Rosae Crucis, complete with Rosicrucian pyramids, all in the Pennsylvania woods.

A historic covered bridge is but one example of an oddly prevalent American urban legend.

This palatial botanical garden is home to one of the largest pipe organs ever installed in a private residence, and a piece of Wood's cycad.

A modern ghost town whose inhabitants were driven away by the growth of nuclear power.

Eccentric concrete mansion and museum designed and built by hand from the inside out.

Pennsylvanian mass grave and possibly mass murder.

Destructive children, start your engines.

North America's oldest quarantine facility was built in response to Philadelphia's 1793 yellow fever outbreak.

Arlington Cemetery exhibit dedicated to death and grieving.