A museum devoted to bringing to light forgotten or neglected histories through exhibitions, education and public programming.

A tribute to the life and work of the beloved "Peanuts" cartoonist.

Minnesota's oldest and deepest mine is now an underground physics laboratory.

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

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

A Museum of Holography frozen in 1974.

A science teacher's dream.

Medical museum focused on antique anesthesiology equipment.

Home to the world's largest refracting telescope and the birthplace of modern astrophysics.

Cold War missile launch site which has been converted to a public park.

World's second largest particle accelerator, where nature reveals its secrets.

A onetime gangsters' hideaway where you can dine on steaks, fine wines, and cigars just like they once did.

This sprawling mini-golf empire is an impressive testament to a disappearing attraction.