Long the exclusive domain of birds and vagabonds, this little-known Central Park peninsula is open to the public once more.

The bones of an old zoo crumbling in the shadow of a new one.

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

Over a thousand feet beneath the Detroit streets is a subterranean metropolis few are allowed to enter.

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

Advice-columnist's bell tower, paid for with pennies.

A wacky two-story folk-art assemblage of carved and found objects, with lights, motion, and sound now in need of financial support.

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

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

Legend tells how a Spanish soldier disappeared from this isolated sentry box without a trace.

This bleach-white graveyard overlooking the ocean is accessed through a tunnel.

This "Plant Farm Museum" is home to the divinely inspired and visionary outsider artwork of Reverend Howard Finster.

America's most famous museum of medical oddities is home to the remains of Albert Einstein's brain.

This failed condo development was reborn as a street art hub.

Home to the largest urban bat colony in North America, estimated at 1.5 million bats.

After the parade, students throw their beads on the tree hoping for good luck on exams.

This distinctive Crescent City tradition dates back to the days of horse-drawn carriages.

The world-record holder for the longest bridge stretching continuously over water.

A small park on Bourbon Street features life-size bronze statues of New Orleans musicians.

By day this New Orleans square is for pedestrians, but by night it is a kingdom of kittens.

The only rotating bar in New Orleans has been slowly spinning since 1949.

A museum and shop on Bourbon Street located in the former home of the second Voodoo Queen of New Orleans.

A snapshot of the city's fascinating voodoo culture.

This historic building housed the surviving crew members of the Titanic, who were left destitute after the wreck.