A public art installation featuring clawfoot bathtubs on stilts sparks admiration and controversy from locals.

Home to an apple tree that can produce 25 different varieties of fruit.

Impossibly life-like natural history models created out of glass by a father and son.

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

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

The massive machine creates cracking displays of indoor lightning.

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

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

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

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

Stolen goods adorn the organ at Old North Church.

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

The oldest working bell set in North America, the bells at Old North Church sat silent for their first four years in Massachusetts.

At this airport "microcinema," you can catch a film before you catch a flight.

In the middle of a busy airport, a statue honoring the astronaut who told Houston that Apollo 13 had a problem.

A pair of gargoyles peer into unsuspecting passengers at Denver’s conspiracy-packed airport.

The Denver airport is guarded by a 32-foot-tall sculpture of a demonic horse.

A public library display of fossils from the ice age.

Tiny horses tethered to antique rings are scattered around the city.

The seamy, underground secrets of Portland's criminal past.

This sandstone mansion was the home of two of Oregon's most important pioneers.

A Portland legend tells of small green archers shooting random passersby with visionary arrows.

Hidden in Portland’s West Hills, a 170-year-old marker literally stakes out the Pacific Northwest.

A logging-themed roadside restaurant surrounded by museum-quality machinery and artifacts from the industry's heyday.