Come for the pizza, stay for a performance on the world's largest theater pipe organ.

Every Christmas, one Arizona city makes the most of its dry climate by creating an arid desert tannenbaum.

A $100,000 tumbleweed decorates an Arizona park and ride that got its priorities a bit tangled.

The unusual burial monument of Arizona's first governor.

This small, unassuming street is now a canvas for color and creativity.

The first partially complete dinosaur skeleton was discovered here, forever changing the world's view of the ruling reptiles.

Pluto is still considered a planet in Ithaca, New York.

The little-known final resting place of one of America's greatest writers.

The wooden octagon in which Huckleberry Finn and A Connecticut Yankee were born can still be visited in upstate New York.

Dedicated to the art and science of glass in equal measure, this space is as much laboratory as museum.

This beloved Baltimore spot features caged dolls, a giant Pez collection, and many, many mannequins.

An eerie, decaying ghost town destined to fade into the forest.

This dig site outside D.C. is known for its exceptionally high density of baby dinosaur fossils and dinosaur eggs.

These beautiful ruins deep in the Pennsylvania woods are thought to have been a ski lodge or a speakeasy, but no one really knows.

A park full of outsider art, created by college students studying outsider art.

The remains of a community that was forced to move for a dam that never materialized still rot in this Pennsylvania park.

It would take 35 firetrucks to fill this enormous glacial pothole.

The Home and murder site of the witch of Rehmeyers Hollow.

North America’s largest collection of horological devices and home to a colossal clock with a dizzying array of features.

The only thing better than tubing down New Jersey's scenic Delaware River is doing so while eating a hot dog from a giant floating stand.

An unusual and eclectic collection of local historical memorabilia.

A lone tower rises above the cliffs in a city park, offering fantastic views of the Connecticut landscape.

The former home of Samuel Clemens and family remembers the happiest period of the author's life.

This lovely hilltop tower was specifically built to withstand 100 MPH winds.