A preserved stretch of ancient fossilized trees with an impressive gem collection to boot.

These ruins are all that's left of the former Alabama State Capitol.

A rusted metal giant pays tribute to Birmingham’s industrial past.

Constructed from bricks salvaged from a former dormitory destroyed in a fire.

The lecture hall where Alexander Graham Bell first demonstrated the long-distance phone call.

A simple but powerful tribute to the 20 victims of the 1692 witch trials.

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

Statue commemorating the use of ether in anesthesia.

An enormous, inside-out glass globe built in 1935.

This impressive Boston holy house is the American mecca for Christian scientists.

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

What was once a true peninsula has now been filled in, causing the water to recede and leaving many streetside "waterfronts" and landlocked "islands."

This historic patch of real estate offers a glimpse of colonial Boston.

Millions of numbers carved in glass represent the tattoos forced upon victims.

This nearly 200-year-old restaurant's history includes an exiled French prince, JFK, and a very hungry Daniel Webster.

A school used as a model for public education across the country.

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.

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

The site where Charles Dickens gave his first public reading of "A Christmas Carol" in the US.

A more than 260-year-old crypt built on Boston's oldest English burial ground.

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

This statue intended for children to enjoy became a minor political spat.

Dedicated to one of the darkest moments in Irish history, this memorial has faced its fair share of backlash.