Florida's oldest bar was once a morgue, complete with a hanging tree and gravestones.

The enormous 250-room Vanderbilt mansion conceals hidden doors and secret passageways.

Over 20,000 sets of spice shakers reveal the surprisingly telling history of our most basic spices.

Labor provided by Great Depression-era programs restored these 25,000 acres in Tennessee.

The site of an underground detonation of a megaton nuclear bomb in the middle of the Mojave Desert.

The contents of this safe survived a 37-kiloton nuclear bomb.

This massive crater in the middle of nowhere was used to train astronauts for moon landings.

The only surviving prototype of Buckminster Fuller's revolutionary car.

Experience a charming 1930's version of "infotainment."

The largest man-made crater in the U.S. marks the spot where we once tested mining with nukes.

A picture-perfect town, perfect for blowing up.

Stepping away from the glitz of mobsters and casinos to learn about the other history of Vegas.

A house turned museum is the real-life "home" of the fictional main character of The Wizard of Oz.

The United States's largest hand-dug well is topped with a state-of-the-art museum.

A wonderful collection of all things Oz is nestled in the heart of Kansas.

A former waterfront market is now in the center of town due to some interesting Boston engineering.

One of America's most historic homes also holds a startling literary legacy.

This ambitious father and son team reigned supreme over the North End, and witches, for many years.

This landmark cemetery in Boston was created more than 300 years ago.

The site of Paul Revere's historic two lantern warning.

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.

Experience the hysteria of a 17th century witch hunt through goofy reenactments and wax dummies that should probably be burned at the stake.

Memorial of the Salem witchcraft hysteria in the town of Danvers, where it all began.