17th century streets hidden under Edinburgh were once a breeding ground for the black death.

Small museum dedicated to the founder of electromagnetic theory.

Long abandoned underground complex to keep royals safe from a nuclear war that never came.

Tiny effigies of the victims of Edinburgh's famous Anatomy Murders.

A 18th century graveyard and its astonishing cortege of macabre iconography.

This structure among the trees was the result of divine inspiration.

Connecticut grave of the woman responsible for the Winchester Mystery House in California.

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

Better known as the "Body Farm," this unique research facility has been studying how human bodies break down since the 1980s.

Home of an evil witch famous within southern folklore.

Prehistoric animals decorate this popular outdoor park.

An unknown Hall of Fame in Jackson, Tennessee.

Pink, packed sanctuary and home of the world's fullest-time Elvis fanatic.

Walk the whole Mississippi River!

Tenacious mummies survived dental problems, eternal entombment, and more than their fair share of devastating fires.

San Francisco's urban bison herd has persisted in the face of extinction, development, and disease.

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.

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

Relics of the 1894 Midwinter Exposition continue to delight visitors today.

Floating man-made island and upscale restaurant.

San Francisco's newly reopened hands-on science museum.

A rococo retro-futurist future-rustic vernacular between yesterday’s tomorrow and the future that never was.

Staircase winds down the side of Telegraph Hill through gardens, wild parrots flying overhead.