A hand-built folk art installation covered with messages of God's love.

Towering basalt columns, a creation of fire and ice.

Crypt mausoleum in cathedral's basement contains relics of third century Roman martyr, Saint Vibiana.

A prohibition-style speakeasy takes up residence in the last Victorian residence in Hollywood.

The only theatre in the world constructed specifically for sound movement.

Hidden in the hills of Hollywood, this secluded Oz-themed garden is dotted with dozens of thrones.

A 140-year-old castle with underground caves hidden in San Francisco.

In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.

A peculiar mansion built by the troubled heir to the Winchester Rifle Company fortune.

An artsy hidden staircase leads to breathtaking views of San Francisco.

This New York holdover was built to provide housing for shopgirls and still does not allow men above the lobby.

Manhattan's Thirteenth Avenue was made on landfill then deliberately destroyed — apart from one small, obscure block.

Site of the graveyard vine believed to be a curse on a family from the 1800s.

The building that inspired Shirley Jackson's "The Haunting of Hill House."

Two distinctive homes on a New England village green look like a couple of frosted wedding cakes.

The Vermont grave of a 4,000-year-old mummy prince.

A gardener's enduring labor of love is spread throughout a small Vermont town.

Industrial ruin decimated this tiny New England company town in a fashion no one saw coming… and even fewer remember today.

Scary metal statues adorn some of the signature buildings of Burlington, VT.

Tour the world's largest deep-hole dimension granite quarry, where you can view the plant where gravestones are made and roll a ball down the outdoor granite bowling alley.

Once connected to the outside world by a single train track, this ghost town is looked after by the National Park Service.

A tribute to the furry local heroes who helped get residents through many tough times.