A room in New York City that contains 250 cubic yards of dirt.

The ghostly remains of an accidental sea.

This once-grand marvel of engineering is now 41 miles of scenic hiking trail.

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

Perhaps the most unique of any Frank Gehry design for one simple reason: Gehry himself actually lives here.

Final resting place for the Triangle Shirtwaist fire’s unidentified victims.

Experience a charming 1930s version of "infotainment."

A typical "Old South" manor, once owned by author Anne Rice, served as the setting for several of her witchcraft sagas.

The Argonaute submarine was the French navy's pride and joy in the 1950's.

Notorious artist squat renovated into legal studios.

Remains of Roman amphitheater hidden in a sleepy quarter of Paris.

Site of a classic 19th-century physics experiment to prove the earth is rotating.

A Looff creation in Santa Monica best described as “a California-Byzantine-Moorish-style fantasy.”

A sign at the end of the Santa Monica Pier marks the traditional end of the legendary American highway.

This brightly made over hotel hides decades of suicide, serial killers, and mysterious deaths.

This unusual building straddles two countries.

The little house that stood up to a disastrous flood has become a symbol of perseverance.

Extremely long cable tunnel buried under the river.

Inspiring Herman Melville and Henry David Thoreau, Mount Greylock in western Massachusetts is the highest point in the state at 3,491 feet above sea level.

Resonating tubes make music from highway overpass.

A modern day curiosity cabinet.

A museum, art project, and institution that demands we look at the world around us in a strange new way.

This historic "City of the Dead" lies prominently in the center of New Orleans' famous Garden District.

A Swedenborgian glass church surrounded by redwoods sits perched atop a massive landslide area.