A miniature train theme park, free to the public, laying at the base of the Santa Monica Mountains.

These delicate buggers are some of the rarest fossils that have bubbled up from the Tar Pits.

This iconic Lancaster everyman has been reading the same story since 1980.

These tourist trap caverns are said to be the former home of a legendary Pennsylvania Hermit.

A local prank turned town icon.

This 15-foot-tall sculpture stands vigil at the back entrance to the largest public park in western Massachusetts.

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

Life-size bronzes of the Grinch, Cat in the Hat, Yertle the Turtle, Sam-I-Am, and the Lorax—and the author himself.

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

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

The bears may be gone, but their old cages can still be found.

The massive machine creates cracking displays of indoor lightning.

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

The American Revolution was galvanized into serious action due to the tragic clash with British soldiers that occurred at this location.

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

Walk through the history of American pop culture.

This simple convenience store sits on the location where the Ouija board was named—and has a plaque to prove it.

A museum dedicated to exhibiting remarkable outsider art.

The fairy tale castle of the "fairy-tale king."

Overlooking the Colorado Convention Center is this giant sculpture made from thousands of triangles.

The spot in the Mile-High City that's exactly 5,280 feet above sea level (at least for now).

While comics are the main attraction at this megastore, the second floor plays host to an exhibit fit for a museum.

The Denver airport is guarded by a 32-foot-tall sculpture of a demonic horse.

The unluckiest U-boat in the entire German fleet is now on display in a Chicago museum.