This giant green head remembers one of America's jazz giants.

This abandoned prison castle has become an imposing gallery of graffiti art.

This mausoleum is the final resting place of one of St. Louis's richest and most tragic families.

What was meant to be a temporary exhibit is now a permanent fixture at the St. Louis Zoo filled with beautiful birds.

This is not your typical jungle gym.

Tucked away amongst townhomes lies a restored, early 20th-century tea house and garden, the only remains of a historic estate.

Illegal drag racing two stories beneath Chicago’s streets.

This landmark of the Chicago silent film industry may not be in the picture business anymore but it still stands proudly.

No one knows how many bodies are in this vault in a Chicago public park.

An outdoor urban gallery of large-scale artworks by the world's most influential street artists.

This "life-size" depiction of Mickey Mouse as a half-lobster is both whimsical and a bit creepy, standing guard over the Boston waterfront.

The world's largest piece of copyrighted artwork.

A real plaque marks the spot where a Faulknerian character committed fictional suicide.

This area was once known for being a lawless haven for rough-and-tumble sailors, earning the maritime-themed nickname "the black sea."

The oldest working bell set in North America, the bells at Old North Church sat silent for their first four years in Massachusetts.

A mysterious stone embedded at the base of a historic Boston building.

No one messes with the Massachusetts sacred cod, not this time...

A men’s restroom became a sandwich shop.

This massive tea kettle was once a promotional stunt for the Oriental Teashop.

The tomb of Increase Mather and his son Cotton, influential colonial ministers obsessed with the occult.

This ambitious father and son team reigned supreme over the North End, and witches, for many years.

America's original house of worship for Spiritualism, the religious movement based on communing with the dead.

The massive machine creates cracking displays of indoor lightning.

The history of the tea trade is told in bas-relief on this historic pair of Boston doors.