Babe Ruth and others planted saplings for a 1930s tourism campaign. The saplings grew as the area faded.

This legendary urban waterfall creates a dazzling display of rainbows.

Hide from the tourist hordes in these relatively unknown, and unguarded lava caves.

This maintained cabin is where Josie Morris, an occasional associate of Butch Cassidy, lived out the last 50 years of her life by herself.

Inside this striking glass building, visitors can see thousands of dinosaur fossils in the positions that nature deposited them more than 150 million years ago.

A volcanic fissure over two miles long and up to 70 feet deep.

The original span of a high bridge across the deep Crooked River Gorge has been preserved for pedestrian use.

Formerly secret, precariously perched boulders.

The only undammed section of the Columbia River in the United States has been preserved, ironically, by its proximity to the Hanford Nuclear Reservation.

One of two observatories in the U.S. that routinely detect gravitational waves.

A beautiful Gilded Age hotel in the White Mountains with surprising diplomatic history.

Rock face that shares a name with Mary Shelley's famous doctor.

The highest point in Maine is a grand gift to the state citizens that also happens to be one end of the Appalachian Trail.

This nature mural exists to protect the surrounding environment and its own canvas from destruction.

Steam engines and conveyor belts are remnants of a genius system left in the middle of the Maine woods.

The debris forms a solemn memorial to those who died in a 1963 accident.

A mere dot on the map in the great north woods is the first place in America to vote in Presidential elections.

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

A gas station and a state sign commemorating the most famous claims of extraterrestrial abduction.

Even Henry David Thoreau found this glacial pothole irresistible.

The Old Man of the Mountain’s less-famous, but still beloved little brother is said to resemble a leader of the Abenaki tribe.

Come for the gun-toting hillbilly madman, stay for the ice-cream loving basketball bears.

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 town wears its heart on the sleeve of a smiling girl, arms flung wide open in a cheerful greeting for all who encounter her.