The oldest operating apothecary in the US has treated everyone from Thomas Edison to Mark Twain.

An original apothecary from 1792.

The Forest Service's surprisingly sophisticated collection of wildfire prevention art features America's most beloved bear.

Coins and medals straight from the mint await visitors to this shop in the nation's capital.

Before founding the American Red Cross, Clara Barton had a tremendous humanitarian impact by locating thousands of missing soldiers.

A Maryland museum dedicated to Black history, housed in a historic church.

A priceless collection of the Nation's cryptologic history.

A modest park memorial pays tribute to one of the Titanic's most revered storylines.

Enjoy all the trappings from 1912 aboard this Titanic-themed restaurant.

More than 3,200 cookie jars line the walls and shelves of this little shop and over 1,000 salt and pepper shakers

A medical facility that has been kept frozen in time.

Washington's iconic carousel has a nice piece of Civil Rights history.

The legacies of two historic Black American institutions live on in this unassuming brick building.

This knick-knack-covered house (complete with a matching van) is a charming oddity in the middle of a modest downtown neighborhood.

With over 100 jam-packed rooms to explore plus elaborate tea services and events, the Mansion on O Street is a hidden treasure.

The site of the deadly Triangle Shirtwaist Factory Fire.

The dining hall that nourishes workers in Chernobyl's Exclusion Zone is also open to visitors.

A terrific purveyor of natural history objects and curios.

A hands-on traveling collection of the innovative devices of yesteryear.

A collection of fanzines, recordings, and documents detailing the rise and influence of the feminist punk movement.

In a 345-million-year-old cave that's 200 feet underground, dinner awaits.

In a largely deserted ghost town, a little brick building recalls its history as a gold rush hub and haven for outlaws.

Home to New Mexico's longest bar, this watering hole also has a mining museum and a haunted history.

This ghost-town bar has bullet holes and plenty of stories lurking within its walls.