This mosaic dedicated to John Lennon was tended for years by a Beatles super-fan.

This whimsical group of statues is a favorite of children who love to climb all over Lewis Carroll's beloved characters.

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

A very classy 1920s-era bar right in Grand Central Station.

The oldest family-run luncheonette in New York, last renovated in 1948, still serves food and drinks the old-fashioned way.

A dilapidated dock tells the story of Titanic’s missed arrival.

A semi-scholarly approach to sex.

Elevated freight railway turned wildly successful urban park.

An angular maze of concrete in Grand Rapids acts both as public art and as a staircase for fish traveling upstream.

World's largest Christmas store.

What was once the largest NFL stadium.

Astounding collection of coin-operated games and automata.

The 80-foot tire that looms over Michigan's I-94 was once a Ferris wheel in the New York World Fair.

The only surviving prototype for Buckminster Fuller's house of the future.

A Beaux-Arts triumph rises from decades of decay to become the heart of a new innovation district.

This public baseball field is a beloved remainder from of one of the most historic stadiums in the country.

Controversial tribute to the heavyweight champion boxer who grew up in Detroit.

Opulent downtown movie theater now houses cars as an indoor parking garage.

The Beaux-Arts aquarium boasts a vast collection of saltwater and freshwater fish on an island in the Detroit River.

One man's attempt to create an artistic wonder on a run-down block in Detroit.

The concrete shell of an industry giant remains as a playground for graffiti artists, auto scrappers, and paintball warriors.