This bronze sculpture was inspired by a photograph of Martin Luther King Jr. and his wife embracing after he won the Nobel Peace Prize.

The former site of an all-but-forgotten colonial landmark is now remembered by an often overlooked bas relief.

The palatial McDonald's that inspired Wesley Willis.

Huge abstract sculptures of the Puerto Rican Flag.

Partially submerged Buddha heads freckle Chicago’s neighborhoods.

Once called the "Polish Gold Coast" it is an icon of the neighborhood that bears its same name.

This awkward aquarium sculpture is one of the strangest statues in Chicago.

The only Bahá'í house of worship in North America and one of only a handful worldwide.

A speakeasy takes on Chicago's drinking culture.

Plymouth's huge yet little-known memorial to the Pilgrims.

The filming location of a shark attack in Steven Spielberg’s famous shark movie.

This candy-colored storybook village originated as a 19th-century Methodist campground.

The oldest platform carousel built in the United States continues to delight children in Martha’s Vineyard.

A grand New York post office that is home to mailman Santas, scraps of postal history, and a pneumatic mail system.

Wine bottle sculpture with a ship's stateroom inside.

Hidden in Central Park's Ramble is a troublesome cave buried just beneath the surface.

A memorial to the first person killed by a motor vehicle in the Western Hemisphere.

For over 30 years the walls of this Harlem schoolyard have been a gallery of street art by "Kings and better."

This castle-like building in Manhattan helped destigmatize cancer in the 19th century.

This ruined fort hidden at the top of Central Park can't seem to keep from losing its historical plaques.

These mysterious Viking chess pieces spent centuries hidden on a remote Scottish island.

The "lost friend” is the most famous of the six moai statues that were removed from Easter Island.

The watery entrance for condemned prisoners heading to the Tower of London is still visible along the Thames.

London's last remaining public soapbox site has seen speeches from Karl Marx, Vladmir Lenin, and George Orwell.