Whether his story is true or not, Stiffy Green is the most beloved bulldog in all of Indiana.

The building that inspired Shirley Jackson's "The Haunting of Hill House."

Three and a half miles of cliffs, rocky beaches, Gilded Age mansions and 40 Steps to nowhere in particular.

This subterranean oyster house has been the pearl of Grand Central Station since 1913.

Now abandoned, the first public health hospital in the U.S. saw more than one million immigrants from around the world.

Nassau Hall has served as army barracks, a museum, and played a key role in the American Revolution.

These 20-foot sculptures will help guide you from the local train station to the local sculpture garden.

This Delaware River bridge is emblazoned with a catty slogan from a more prosperous time.

The rusting remains are visible sticking out of the waters of the Delaware Bay.

Several times a year, during low tide, two pairs of historic train tracks are revealed on this New Jersey beach.

World War II bunker still standing on the New Jersey beach.

Step inside Lucy, the world's largest "elephant."

Electronic inventions that resulted in products and systems we use every day are on display in this labor-of-love museum.

The land is home to swimming ponies and a legendary 18th-century treasure.

Beautiful Gothic-inspired lighthouse stands out among the run-of-the-mill striped fare on Bodies Island.

Down the road from where the Wright brothers lifted off is another flight tribute practically hidden from sight in the woods.

This shifting North Carolina sand dune is an odd little desert surrounded by oceanic forest life.

The lesser-known lost colony of Roanoke was a safe haven for formerly enslaved people during the Civil War.

Perhaps the oldest vine in North America, this sprawling plant helps make a sweet wine.

This monumental Jesus is often referred to as "Our Milk Carton With Arms."

This haunted hotel built on natural springs once served as a hospital for a quack doctor promising a cure for cancer.

This colorful gate stands as an entrance to the walled city of Old San Juan.

Amsterdam's narrowest house facade is a monument to 17th-century tax evasion.

One of Amsterdam's narrowest houses is located right across the canal from its widest.