This raised bulls-eye visible from space was the subject of an intense geologic controversy.

Manatees congregate around a power plant's discharge canal where the water is especially warm.

A building so large that it has its own weather.

While most wind tunnels test scale models, the "Cave of Winds" was large enough for actual airplanes.

The "lovely red Vega" of the legendary record-settling pilot.

The actual model from the original "Star Trek" series is now on display at the National Air and Space Museum.

A monument in Washington D.C. marks the spot from which all other roads were supposed to stem.

The first and only carousel with a lineup entirely of insects.

Once thought to be the fabled Holy Grail, it is now known to be an oil lamp.

Curious crustaceans support an obelisk from ancient Egypt that now stands in modern-day Central Park.

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

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

Commemorating the spot where the famous scientist fed his pigeons.

The fanciest public restroom in New York City boasts fresh flowers, art, and a classical music soundtrack.

This cemetery has graves dating back to the 17th century, including the city's oldest carved tombstone and an ominous cryptogram.

Wall Street has a new heroine, a bronze statue of a small but fierce girl.

A historic recreation of the golden age of the Erie Canal, abandoned for some time, slowly being restored.

Abandoned rock quarry now a haven for mountain bikers and hikers.

This Art Deco fortress in upstate New York gives Manhattan's vaunted examples of the style a run for their money.

A reversed traffic signal that was once violently misinterpreted as a statement on British-Irish relations.

Surprisingly aquamarine waters fill deep lakes formed at the end of the last ice age.

Dedicated to the art and science of glass in equal measure, this space is as much laboratory as museum.

One of many reminders of Tesla's scientific contributions overlooks the falls which inspired him.

The seat of Buffalo government is a gorgeous Art Deco palace.