This picturesque stream was up until recently the site of a ten story mountain of slag and sewage.

The beloved, war-tested mascot of a Union regiment graces their battlefield monument.

A favorite of Amelia Earhart, ranking among those rare bridges that can be crossed without changing sides of the river.

This whimsical fountain pays tribute to Toronto's four-legged friends.

The highest point in North Carolina and the United States east of the Mississippi River, Mount Mitchell is named after argumentative explorer Elisha Mitchell.

A serene plaza that commemorates one of the Granite State's most iconic figures.

This institution celebrates the happy accidents of uncommon sticktoitiveness.

This tribute to the founding father of the American dictionary originally contained a spelling error.

A collision of human error and natural geothermal pressure created this rainbow-colored geologic wonder.

Life-size bronzes of the Grinch, Cat in the Hat, Yertle the Turtle, Sam-I-Am, and the Lorax—and the author himself.

A unique music museum housed in a historic Boston theater.

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

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

Painstakingly built dioramas sit unnoticed in a Boston office building.

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

The massive machine creates cracking displays of indoor lightning.

This Boston medical museum features the skull of the famous medical case of Phineas Gage.

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

The site of one of the strangest disasters in history—a wave of deadly molasses traveling at 35 mph.

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

The southernmost outpost of the Russian Empire in colonial America.

The highest point in the state of New Hampshire, and while unlikely "the worst weather in the world," it sure seems that way to hikers.

A beautiful ruin of a 14th-century Plantagenet castle built by a medieval mercenary.

A small museum along the Susquehanna River is home to a rich collection of Native American artifacts.