Oldest synagogue in the United States.

Twice a day, the water of the Petitcodiac River flows upstream in a surfable wave.

These powerful, if squat, Canadian waterfalls flow in different directions depending on the time of day.

Iconic rock formations that allow for exploration during high or low tide.

This Canadian monument to the man who invented the telephone allows visitors to get up close and personal with the artifacts of his life.

Site of the first official transatlantic wireless communications.

The highest tides in the world come in and out here twice a day, allowing you to essentially walk along the ocean floor.

Built to bless whalers before their voyages, this Massachusetts church now features a ship-shaped pulpit.

The largest collection of historic military firearms in the United States.

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

The nation's second-ever First Lady urged the founding fathers to "remember the ladies."

Since 1947, this living history museum has been providing an immersive look at life in Plymouth Colony.

An interesting decoration on this historic site, this weathervane comes with as many legends as it does questions.

Artifacts of whaling, with both its perils and adventure, are housed in this museum in a former candle factory.

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

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

No one messes with the Massachusetts sacred cod, not this time...

For 20 years, this whale skeleton has been slowly dripping oil on the floor of the museum where it hangs.

The homestead of American patriot John Adams.

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

This monument on Breed's Hill proves that one of the most famous battles of the Revolutionary War is misnamed.

Mrs. Mallard and her brood are a beloved fixture in Boston Public Garden.

"the sweltering inhabitants of Charleston and New Orleans, of Madras and Bombay and Calcutta, drink at my well . . . The pure Walden water is mingled with the sacred water of the Ganges."

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