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 infamous Boston Mob ran rackets from an office here in the 1970s.

The site of Paul Revere's historic two lantern warning.

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

Since 1929, millions have sought miraculous healing and solace from this unknown yet deeply revered Irish priest.

The final resting place of the first documented Chinese person in the United States lies in a Boston cemetery.

American revolutionaries and British soldiers alike are buried here in the fourth-ever cemetery in Boston.

A men’s restroom became a sandwich shop.

This bronze sculpture was inspired by a photograph of Martin Luther King Jr. and his wife embracing after he won the Nobel Peace Prize.

This funeral home had the honor, if that is the correct word, of hosting the funeral of the famous Sacco and Vanzetti.

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

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

One woman’s obsession gave birth to this lovely oddity at the Boston Public Library.

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

This stately building in Alexandria, Virginia was built by Freemasons to honor one of their most famous members.

An oft-overlooked, magically musical monolith that stands majestically between Arlington Cemetery and the Iwo Jima Memorial.

This unique historical monument features large concrete spheres designed to resemble fallen stars.

At 207 feet, one of the world's longest continuous escalators.

This church built atop a gas station promises to "equip you for the next stage in your life’s journey."

Parking garage where Bob Woodward met Watergate source "Deep Throat."

This environmental engineering marvel keeps salt water from the Elizabeth River.

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 author of Uncle Tom's Cabin was neighbors with Mark Twain while living in this Connecticut home.