A popular 19th-century natural landmark is now hidden within a sprawling forest.

Site of an escape, ten murders, and some scalpings.

Formerly secret, precariously perched boulders.

Massive crater in central Oregon.

This great stone guardian of the forest is a relic from the land's volatile volcanic past.

This beautiful architectural gem was the first waste treatment facility in Boston.

MIT students continue the legacy of beloved professor "Doc" Edgerton through learning by doing.

Sacks of potatoes, made of cast stone, mark where the iconic potato sheds once stood along the river.

An 80-year-old house built out of newspapers.

An eccentric inventor's castle home with its own indoor weather system.

A tiny monument to the classic American candy.

An alley way dedicated to graffiti and street art is a constantly changing street gallery.

This tiny, painted door at the base of a tree stump has been a fixture of the Harvard University campus for decades.

One of the last remaining movie theatres in the country that features a rear-projection system.

One of America's most historic homes also holds a startling literary legacy.

This is the house that spite built.

Stolen goods adorn the organ at Old North Church.

These whimsical works of art tell the story of the city's past and present.

This popular Boston haunt is reminiscent of a time gone by, when slow cafes and sweet-smelling smoke wafting from patios was the norm.

Shelves covered in dozens of coffee bean varieties fill this North End institution.

Dim sum, served in a grand old theater.

The oldest Italian café in Boston, this spot also serves as a veritable museum of vintage coffee ephemera.

One of the oldest used bookstores in the U.S. has been selling antiquarian treasures since 1825.

Two thousand artifacts from around the world collected by one woman who loved to travel.