A hidden bar inside an ad agency has a deliberately misleading name, so employees can stay late under pretext of paperwork.

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

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

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

Wine bottle sculpture with a ship's stateroom inside.

This diesel train serviced the Brooklyn waterfront for more than three decades.

Pulled from the rubble of one of the worst modern tragedies, a steel crossbeam became a symbol of hope for New Yorkers.

A bronze statue on a downtown corner honors Minneapolis's favorite career gal.

Nicknamed the "Grand Canyon of the North," this open-pit mine in Minnesota has a much shorter history.

An abandoned bus station transformed into a museum dedicated to the history of Greyhound Lines, in the place where it all began.

Where one of America's greatest songwriters lived before he was Bob Dylan.