Elevated freight railway turned wildly successful urban park.

A three-piece musical sculpture installed between the subway tracks at Kendall Station near MIT.

The statue of John Harvard isn't actually John Harvard—or even, technically, the founder of the school.

The 340-year-old house that inspired the classic Nathaniel Hawthorne novel.

"Try not to knock anything over!"

This home is steeped in history from, George Washington to George Corwin, High Sheriff during the Salem Witch Trials.

Statue in Salem of the woman who starred as the witch Samantha in the sitcom "Bewitched."

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

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

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

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

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

Mrs. Mallard and her brood are a beloved fixture in Boston Public Garden.

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.

Heralded as one of the prettiest castles in all of Czechia.

This hanging crocodile is thought to be the "dragon" that once plagued a Czech city.

A peculiar clock commemorates a historic victory won by ringing the noonday bell an hour early.

An enormous and lavish Gothic church in Czechia.

Nine bronze hands protruding from a wall honor the student uprising that led to the fall of Czechoslovakia's Communist government.

This Czech church doubles as something of a permanent fashion exhibition for a statue of the Infant Jesus.

A cheeky architectural easter egg.

Be(w)ar(e) the moat around this historic Czech castle.

One of the famous Czech artist's lesser-known Prague installations appears to be a glowing fetus affixed to a drainpipe.