Jacksonville's highways rendered this century-old grammar school unusable.

This ancient octopus-like tree was saved from destruction thanks to shady reporting.

Must form and function forever remain at odds? Not if the Florida Department of Transportation has its way.

This Florida sinkhole hides a rainforest-like micro-environment in its depths.

Electrical pylon in the shape of Disney's beloved mouse.

Two men built this castle on the Florida coast as an artistic “landscape sculpture.”

The walls of America's oldest masonry fort famously "swallowed" cannonballs.

St. Augustine's record-setting narrow street was designed to protect against pirates.

A luxurious 1880s hotel with its fair share of Tiffany stained glass, Edison electricity, and of course, ghosts.

A building so large that it has its own weather.

A king's bloodstained shirt is among the gruesome collection of artifacts displayed below Stockholm's Royal Palace.

Stockholm's narrowest alley is barely over two feet wide.

It is said that each of the white stones in the red facade of this medieval house represents the head of a murdered Swedish noble.

A man has revenged his true love's betrayal through tears and stone genitalia.

Dine on food tied to Viking history and legend at this subterranean Stockholm spot.

It houses the remains of a 17th-century version of the Titanic.