An old trolley bridge was converted into a breathtaking garden bursting with colorful flowers.

A monument to the Mohawk people stands along an old Native American trade route.

The railroad tunnel nicknamed the "Bloody Pit" for taking the lives of hundreds during its construction.

A parade of antique steeds offers a quirky ride through history.

An abandoned Depression-era zoo hidden just off the highway.

A lone tower rises above the cliffs in a city park, offering fantastic views of the Connecticut landscape.

A stunning garden filled with fantastical environmental folk art and sculptures.

The site of the first "historically true" UFO encounter in the U.S.

One of the most scenic falls in Massachusetts has a history of death and grim legend.

Inspiring Herman Melville and Henry David Thoreau, Mount Greylock in western Massachusetts is the highest point in the state at 3,491 feet above sea level.

The unusual burial monument of Arizona's first governor.

The Citrus Variety Collection at UC Riverside contains two trees of each of the 1,000+ varieties of citrus.

Quite simply the largest tree in the world (by volume).

Four hundred granite steps were built into this massive rock by the National Park Service.

A 19th-century cabin built into a hollowed-out Sequoia tree.

One of the few remaining carousels built by master amusement park carver Charles I.D. Looff.

Naturally formed white marble arch housed in an abandoned marble quarry from the 1800s.

The dairy farm in upstate New York where nearly half a million people gathered for three days of peace and music in 1969.

In which a local geological marvel becomes a quaint roadside attraction.

A failed piece of Orientalism has become the proud symbol of a community.

The life of one of FDR's possible mistresses is preserved in her palatial Hudson Valley mansion.

What was once a trend-setting, phrase-coining icon of architectural splendor is now a rotting, forgotten hulk.

These mystical miniature houses bring a touch of magic to the New Jersey woods.

The remains of the furnace and iron works that produced the massive Hudson River Chain still stand in the woods of New York.