Spectacular mineral formations fill these caves, which have been used for everything from smoking meat to stashing illicit liquor.

Home of a 28-foot tall stalagmite known as the War Club.

Take a steam-powered ride straight out of the past on this Appalachian rail line.

Journey through vintage Americana inside this small Massachusetts shop.

Colorful clay cliffs tower over an unofficial nudist beach on Martha's Vineyard.

On a former island, this old fortification once used to protect the Boston Area and started Edgar Allan Poe in his military career.

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

This candy-colored storybook village originated as a 19th-century Methodist campground.

A historic bridge with a lovely acoustic anomaly.

Friction between grains of sand cause a curious "singing" sound.

One of the most scenic falls in Massachusetts has a history of death and grim legend.

Come for the gun-toting hillbilly madman, stay for the ice-cream loving basketball bears.

This historic mini-suspension bridge was swept away once but is now here to stay.

The highest point in the state of New Hampshire, and while unlikely "the worst weather in the world," it sure seems that way to hikers.

Stumps of an Ice Age forest, visible only at low tide.

This narrow canyon has been carved by the river over thousands of years into spectacular and curious forms.

Even Henry David Thoreau found this glacial pothole irresistible.

America's oldest archaeological site or a muddled case of wishful thinking.

Beautiful natural falls where Satan once ruined a pot of beans.

This 150 foot seven-tiered cascading waterfall is one of the hidden gems of the White Mountains.

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

Hundreds of personalized inscribed planks make up this historic boardwalk.

This lakeside tower is the third attempt at getting a tourist destination to stick on the spot.

This Cape Cod museum exhibits what it claims is the only authenticated pirate treasure in the world.