The abandoned summer estate of the former Greek Royal Family.

A New England curiosity cabinet, one hundred years on.

One car at a time please.

These mysterious petroglyphs in Vermont reflect a troubled history in the treatment of Native American culture.

A once crucial portion of the Long Island railroad still lays abandoned, waiting to be turned into an urban park.

Along the old Route 66 is an abandoned trading post made from old telephone poles, built by a former circus clown.

This half-finished "city of toys" was almost Italy's own Las Vegas.

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

Hidden in a secluded Greek cove is a pristine beach marred only by the rusting smuggler's hulk stranded on its shores.

A mythical garden that once grew the golden apples of wisdom is said to have existed in this ancient Moroccan city.

One of the most spectacular canyons in the world.

Morocco's largest Jewish cemetery.

The legacy of a Moroccan Jewish community is remembered at this little mouldering cemetery.

Crumbling necropolis set high above Fez.

Mosaics, storks, and brothels—this ancient city has it all.

The smallest island in Manhattan is a manmade landfill dominated by a Buddhist peace arch.

The neon signs from Las Vegas' past find their final resting place at this unusual graveyard.

One of the ghostly stops along Route 66.

The story of Two Guns, Arizona could easily be described as a Shakespearian tragedy on Route 66.

Ancient pueblos built into the base of a natural canyon wall.

The haunting, dilapidated remains of a former poorhouse on Staten Island's Greenbelt.

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

Abandoned 19th century homes once occupied by naval officers, soon to be demolished.

The oldest surviving bridge in New York City, which reopened to pedestrians in 2015.