Looming communist pillar with a Czech twist.

Buried five stories underground, this Soviet bunker is packed with gas masks and Cold War paraphernalia.

A church of bones, decorated with 40,000 human skeletons.

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

The only structure left with direct ties to the Salem witchcraft trials of 1692.

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

Three prestigious academic collections come together to create a world-class natural history museum.

Bouncing, delightful, mechanical art at the MIT Museum.

MIT students continue the legacy of beloved professor "Doc" Edgerton through learning by doing.

Macabre headstones carved with winged skulls, dancing skeletons, and pithy reminders of impending death.

The American Revolution was galvanized into serious action due to the tragic clash with British soldiers that occurred at this location.

An interesting decoration on this historic site, this weathervane comes with as many legends as it does questions.

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

This massive tea kettle was once a promotional stunt for the Oriental Teashop.

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

This monument on Breed's Hill proves that one of the most famous battles of the Revolutionary War is misnamed.

Berthed at the Charlestown Navy Yard in Boston, "Old Ironsides" is the oldest commissioned warship still afloat.

Historic Hull Street was actually the first street with a proper name in the Boston area.

Narrowest house in Boston.

Quirky castle designed by the American actor best known for portraying Sherlock Holmes on stage.

One of America's first spies started out as a teacher in this little red one-room schoolhouse.

This opera house along the banks of the Connecticut River has two Tony Awards to its credit but it’s never staged a single opera.

The author of Uncle Tom's Cabin was neighbors with Mark Twain while living in this Connecticut home.

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