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

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

The massive machine creates cracking displays of indoor lightning.

The 92-foot-tall structure is based on the aircraft that carried the first Americans into space.

A lawn full of retired spacecraft on display at one of NASA's first research labs.

A historic custom house with ties to George Washington is now a shrine to local nautical history.

The railroad tunnel nicknamed the "Bloody Pit" for taking the lives of hundreds during its construction.

An old trolley bridge was converted into a breathtaking garden bursting with colorful flowers.

Over 50 whirling pools left behind from the glacial age.

This lovely picnic spot featuring thunderous jet landings is an aircraft spotter’s dream.

The old Route 66 town straddling Texas and New Mexico died along with the Main Street of America.

Members of Congress have traveled between the buildings on Capitol Hill for a century hidden from tourists, press, and storm clouds.

One critic described it as "middle Mussolini, early Ramses, and late Neiman-Marcus." Another called it an architectural "natural disaster."

An atomic bomb-proof strongbox protects the U.S. Constitution from terrorists and thieves.

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

3,200-square-foot mural inside Dartmouth Library depicts the history of America with images of human sacrifice, ancient gods, and other unspeakable terrors.

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.

This isn't your average roadway—it's actually a National Park and a transportation pioneer.

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

The quaint little Vermont town played a quaint little Connecticut town in Tim Burton's "Beetlejuice."

Two thousand artifacts from around the world collected by one woman who loved to travel.

This impressive Boston holy house is the American mecca for Christian scientists.

Ice cream stand, snack bar, and time capsule of milk conveyance.

Bouncing, delightful, mechanical art at the MIT Museum.