Second largest wastewater treatment plant in the country.

What was once a true peninsula has now been filled in, causing the water to recede and leaving many streetside "waterfronts" and landlocked "islands."

The homestead of American patriot John Adams.

The tomb of Increase Mather and his son Cotton, influential colonial ministers obsessed with the occult.

"the sweltering inhabitants of Charleston and New Orleans, of Madras and Bombay and Calcutta, drink at my well . . . The pure Walden water is mingled with the sacred water of the Ganges."

This small section of the Sleepy Hollow Cemetery is rotten with famous authors' graves.

The 340-year-old house that inspired the classic Nathaniel Hawthorne novel.

The only structure left with direct ties to the Salem witchcraft trials of 1692.

Walk a trail through a historic Quaker town that outlawed slavery in 1777 and was a major waypoint on the Underground Railroad.

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

The site where Poe "in great distress, and ... in need of immediate assistance" likely died.

The trials and tribulations of marking Poe's grave.

A precariously balanced rock perches on the edge of a cliff created tens of thousands of years ago by glacial erosion.

This tiny patch of arid sand sits in one of the greenest states in the United States.

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.

This historic "City of the Dead" lies prominently in the center of New Orleans' famous Garden District.

The second oldest continuously operating bar in Louisiana.

A 200-year-old bar in the historic French Quarter refuses to give up its place in history, nor its role in securing ours.

The oldest cemetery in New Orleans, resting peacefully for over 200 years now.

The final resting place of New Orleans' most famous voodoo priestess.

Prehistoric animals decorate this popular outdoor park.

The world's longest known cave system.

A wonderful collection of all things Oz is nestled in the heart of Kansas.