A derelict bit of transportation infrastructure hidden in the woods.

The United States Capitol's former columns still stand.

Long-abandoned trolley tunnels just a mile away from the White House are turning into an art space.

This historic address is home to the beloved ball and is an almost totally empty building among the most expensive real estate in the world.

A dark, dank room in subterranean Manhattan was the site of a ghastly murder.

This sculpture by artist Fritz Keonig survived the 9/11 attacks and now stands as a monument to the victims.

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

Every Tuesday, students let off steam by screaming into the night air.

This former Roman Catholic Church still contains the embalmed hearts and organs of 22 popes.

A Nesting Doll of Churches.

The skull of the patron saint of lovers lies in the Basilica di Santa Maria in Cosmedin—maybe.

A tropical paradise just a short trip from the opera house is filled with beautiful winged creatures.