This replica small town lets visitors take a stroll through the story of progress in the U.S. via thousands of Americana artifacts.

A half-mile long and three stories high, this bridge over the Des Moines River Valley mimics a descent into a mine shaft.

This claimant to the title of "smallest church in the 48 states" doubles as an equally tiny, quasi-post office.

This beautiful stone arch bridge wasn't even expected to stand for one day, but people have been crossing it for centuries.

Maryland's first (and last standing) toll house on America's first federal road established the state as the "Gateway to the West."

This one-room cabin where the young colonel slept during the French and Indian War.

A monument marks the location of the first successful steamboat demonstration.

A giant time capsule not scheduled to be cored until 2040.

The oldest surviving wood-frame building in North America is still in the family.

Unlike other abandoned asylums this empty institution welcomes visitors, just don't go in the buildings.

The homestead of American patriot John Adams.

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

The only remaining place where you can play this century-old game for cash.

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

The oldest platform carousel built in the United States continues to delight children in Martha’s Vineyard.

It took 275 years and four burials to finally put the Mayflower’s most famous passenger to rest.

Plymouth's huge yet little-known memorial to the Pilgrims.

You can spend the night as an honorary lighthouse keeper in this quaint, historic beacon.

250-year-old farm now features sculptures, a petting zoo and a hippy-bazaar.

With some 500,000 books across five buildings, this bookstore is a reader's paradise.

While many places make the claim, the Library of Congress says this restaurant is the birthplace of the hamburger.

The world's largest public collection of PEZ memorabilia.

This small-town Connecticut restaurant gives each diner a free book from its vast library.

A museum dedicated to the quirky and colorful world created by Springfield's favorite son.