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

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

This plaque commemorates the call between Alexander Graham Bell and Thomas A. Watson.

Harry Houdini plunged into the Charles River and performed one of his escape acts here in 1908.

The colonial home of Paul Revere during the American Revolution.

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

Narrowest house in Boston.

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

The oldest working bell set in North America, the bells at Old North Church sat silent for their first four years in Massachusetts.

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

One of the indelible moments of the American Revolution took place at this location.

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

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

This historic Boston building has gone from personal estate to porn theater and back again.

This marble tower commemorates the first victory of George Washington and a major turning point in the American Revolution

Museum dedicated to awful artwork.

This giant Boston statue of Mary is standing on a globe to show her power over the universe.

For 60 years, the academy had no permanent location until members voted Washington D.C. as its forever home.

This Wall Street bar was once a hub of revolutionary activity where Washington famously bid farewell to his troops.

America's first federal monument.

This stately mansion, built in 1787 by America's first Secretary of the Navy, is rumored to be one of the most haunted buildings in Washington, DC.

Daredevil repair workers can worm their way out the access hatch, loop ropes over the apex and rappel down the monument.

The hallucinogenic center of the ancient world.

A tranquil gallery and sculpture garden situated within the classic Australian bush.