These towering spires and glowing walls are carefully crafted from hundreds of thousands of icicles.

The summer home and later final residence of acclaimed American sculptor Augustus Saint-Gaudens.

This supermarket is suspended 25 feet above an interstate highway.

All that remains of the Whittall mansion are the ruins of the formal garden and its pergola, dedicated to the late Matthew J. Whittall by his widow.

A spooky and decrepit mental health facility is slowly being replaced with newer digs.

A small obelisk commemorates the launch site of the world's first liquid-fueled rocket.

This oversize piece of novelty cookware once cooked the largest pancake in the world.

This handsome giant is said to mark the birthplace of the mythical woodsman and even had a cameo in a Stephen King novel.

Turns out you can see the world without ever leaving Maine.

In a town that's had a whole lot of giant chairs this one still stands tall, just not the tallest.

Why have you never heard of the second most popular tourist site in New York?

Discovered by cows, these upstate New York show caves are presented with a healthy dose of psychedelic folk art.

The ancient past meets the retro-future at these dinosaur tracks that are protected by a geodesic dome.

Known as one of the most climbed mountains in the world, this barren peak is permanently bald thanks to an anti-wolf fire.

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

These powerful, if squat, Canadian waterfalls flow in different directions depending on the time of day.

"the sweltering inhabitants of Charleston and New Orleans, of Madras and Bombay and Calcutta, drink at my well . . . The pure Walden water is mingled with the sacred water of the Ganges."

This massive boulder is inscribed with the story of a sensational hostage negotiation dating back to Colonial times.

This extinct volcano rises above Edinburgh and is special for its panoramic views over the city.

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

A comic book store got the road by its shop officially renamed after Superman's girlfriend.

The Burnside Fountain and its questionable interpretation.

One of 100 “Whaling Wall" murals painted in 13 different countries by a renowned marine life artist.

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.