This historic furnace was once used to produce cannonballs during the Civil War.

This work of art by Matthew Mazzotta resides in this park dedicated to the first black legislator in Idaho.

This pop-culture shop also offers the chance to become part of their favorite tv show or movie.

The largest outdoor art gallery in the Northwest United States.

A small section of Boise, Idaho maintains the unique culture and traditions of the Basque people.

Once the largest trading firm of enslaved people in the U.S., this building is now a museum that preserves Alexandria's dark past.

One of the most influential presidents in U.S. history wanted only this plain, elegant monument as his lasting memorial.

This unassuming passageway played a key role in one of the most important events in U.S. history.

The house where John Wilkes Booth conspired with his co-conspirators.

Outside the Department of Transportation, a collection of artifacts honors the history of how we get around.

The world's largest Holstein cow.

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

Architectural elements and building materials for this house were transported from Salisbury, England.

The oldest bar in Missouri is hidden within a limestone brewery cellar more than 50 feet underground.

Why settle for barbecue chips when you can get actual barbecue?

This otherworldly church spire reaches up toward the heavens.

An abandoned concrete jungle surrounded by a lush park.

This abandoned prison castle has become an imposing gallery of graffiti art.

This recently restored timepiece has stood all around Kansas City.

A beloved, quirky little fountain featuring a large frog spitting water at a naked boy.

The oldest purpose-built cinema still in operation also houses a museum of movie memorabilia.

Lucha Libre (Mexican Wrestling) themed taco shop.

Once the largest town in eastern Yuba County now sits abandoned.

Rising out of miles of farmland, these buttes are sometimes called the world's smallest mountain range.