148 feet long and in the middle of a verdant forest.

Baroque celebration of the end of the Great Plague of Vienna.

Air Force Academy Chapel made of 100 identical tetrahedrons works to inspire those of all religions.

Jesus' footprints and the first catacombs in the world.

2300-year-old Roman road connecting the empire.

Live long and prosper in Tennessee.

A 56-foot tall statue of the god of fire looks out over Birmingham, Alabama.

This headstone marks the grave of an 11-year-old boy killed during clashes in the streets over the boycotting of British goods.

Located in Faneuil Hall, the headquarters of the Ancient and Honorable Artillery Company of Massachusetts has stood the test of time.

The American Revolution was galvanized into serious action due to the tragic clash with British soldiers that occurred at this location.

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

This area was once known for being a lawless haven for rough-and-tumble sailors, earning the maritime-themed nickname "the black sea."

This massive tea kettle was once a promotional stunt for the Oriental Teashop.

This ambitious father and son team reigned supreme over the North End, and witches, for many years.

The first bell ever cast in Boston was cast by Paul Revere...and sounded terrible.

This landmark cemetery in Boston was created more than 300 years ago.

Historic Hull Street was actually the first street with a proper name in the Boston area.

A centuries-old church stands as a testament to Boston's "father of architecture."

A former waterfront market is now in the center of town due to some interesting Boston engineering.

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

Abstract marble carving for an 8.5-pound rock.

The terrified face of Henry Wells is etched on this garret window.

Founded by a man who called himself the greatest hunter alive.

Cadillac where country's first big star was found dead.