This massive solar system model is sprawled out across Maine's suburban wilderness.

A giant telephone commemorates the last "crank" call ever made in the U.S.

A century after his death, this covered bridge still calls to mind the plein air painter who loved it.

The world's largest rotating world.

This tiny patch of arid sand sits in one of the greenest states in the United States.

The world's only international cryptozoology museum is host to an unrivaled collection of mysterious objects.

The place where Dvořák composed some of his most famous works.

A small piece of the composer's New York home lives on in the center of Czech culture in Manhattan.

During the American Revolution, this mansion hosted failed peace talks between the British and Americans.

One of the largest pieces of scientific equipment ever carried on a NASA space shuttle sits in a Chicago alley.

Fragments of architectural wonders from around the globe are embedded in the newspaper building's walls.

In Chicago, a pizza-enthusiast has opened a museum dedicated to the history of pizza.

This slender three-story building has also had several famous residents.

At Chicago's revered Field Museum, visitors are invited to learn about and literally explore DNA.

Each of these gorgeous, intricately decorated rooms is painstakingly crafted to the scale of 1 inch: 1 foot.

This historic hotel invented the chocolate brownie.

This museum celebrating the almighty dollar lets visitors literally stand in the shadow of a million bucks.

The site of the first couple's first kiss is commemorated by the most adorable presidential monument ever.

This shop for all your super spy needs hides an educational secret.

This whimsical Oz-themed park had a wonderful impact on the surrounding neighborhood.

A sealed test tube said to hold Thomas Edison's dying breath was given to the inventor's friend and mentee, Henry Ford.

The oldest pastificio in Queens offers visitors fresh noodles and a peek inside the macaroni-making magic.

This giant boulder is sandwiched between apartment complexes in upper Manhattan.

This enormous banquet-themed artwork honors over 1,000 notable women throughout history.