Left untouched since a double murder-suicide in the 1960s, Los Feliz murder mansion remains a neighborhood mystery.

One of London’s rare Tudor-era buildings is a fate-defying gatehouse for a church.

Both funky and traditional, it's the oldest of its kind in Indiana.

The body of one of the world's most famous outlaws is covered in cement and iron to prevent it from being stolen.

A medical facility that has been kept frozen in time.

This Indianapolis landmark offers a secret panoramic view of the city. 

A hidden network of subterranean passageways lies tangled beneath Indianapolis' bustling City Market.

A living maritime paradox still floats in the same lake where it was built and resurrected... or was it?

This museum pays tribute to the largest group in the Iroquois Confederacy.

Metal monsters made from repurposed materials lurk alongside this Pennsylvania road.

Washed out by the Johnstown Flood in 1889, the surviving portion of the original two-span bridge now resides at Fishing Creek.

Pennsylvania's own Roswell-style UFO mystery.

This public space is speckled with the eerie remnants of a defunct amusement park.

Built in 1512, the oldest cathedral in the Americas.

The first hospital in the New World.

A roadside statue store in rural Minnesota with quirky displays.

This museum is dedicated to the first coast-to-coast highway.

A bronze statue of Mister Rogers in the neighborhood where he grew up.

A macabre farm reserved part of its 222-acres for dead bodies, all in the name of science.

Could it have picked a better place to land?

One man's real life disfigurement inspired a lasting local legend surrounding an eerie tunnel.

Found art has transformed this Pittsburgh neighborhood into a psychedelic dream.

A priceless collection of the Nation's cryptologic history.

America's first nuclear-powered merchant ship is now a time warp to the atomic age.