The seventh largest spring in the world.

This small glass cube is a peaceful out-of-the-way sanctuary at the busy airport.

Berthed at the Charlestown Navy Yard in Boston, "Old Ironsides" is the oldest commissioned warship still afloat.

This historic patch of real estate offers a glimpse of colonial Boston.

This nearly 200-year-old restaurant's history includes an exiled French prince, JFK, and a very hungry Daniel Webster.

Millions of numbers carved in glass represent the tattoos forced upon victims.

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

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

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

Stolen goods adorn the organ at Old North Church.

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

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

An easy-to-miss garden in Boston's North End honors the mother of JFK and others who lost children in WWII.

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

While you wait to cross the street at a traffic light in Mainz, you might notice that the light is staring back at you.

A famed artist's inspiring work of peace and tolerance.

Race through the maze, get your name on the sign.

The air force base preserves its scars from the Japanese attack on Pearl Harbor.

One of the largest collections of wildlife art in the United States, built into the side of a cliff in rural Wyoming.

This rustic old building is said to be the most photographed barn in America.

One of nature's most well-scheduled phenomenons resides in Wyoming's Yellowstone National Park.

A beautiful geyser under environmental threat.

The enormous 250-room Vanderbilt mansion conceals hidden doors and secret passageways.

Practice your Dirty Dancing lifts in the manmade lake where Johnny Castle himself did.