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.

This giant iron playfully pays tribute to an early 20th-century architectural trend.

An enormous cat made of recycled wood scraps.

Western New York's largest independent bookstore doubles as a historical repository of all things Niagara Falls.

One of many reminders of Tesla's scientific contributions overlooks the falls which inspired him.

Toxic waste disaster that founded the Superfund program.

A dramatic, 360-degree recreation of Pickett's Charge in the Civil War.

Over a thousand feet beneath the Detroit streets is a subterranean metropolis few are allowed to enter.

These enduring murals depicting a distinctly Marxist tribute to capitalism could not even be defeated by McCarthyism.

Controversial tribute to the heavyweight champion boxer who grew up in Detroit.

To truly appreciate Detroit's landmark skyscraper, you have to step inside.

The 80-foot tire that looms over Michigan's I-94 was once a Ferris wheel in the New York World Fair.

A local prank turned town icon.

Washington's iconic carousel has a nice piece of Civil Rights history.

The "lovely red Vega" of the legendary record-settling pilot.

A little sculpture with a large wardrobe.

Legend has it the commander of the defenders drew a fateful line in the dirt with his sword just before the final battle.

A statue in the Texas town that proudly calls itself the killer bee capital of the world.

An easily overlooked memorial to a Ukrainian famine-genocide that killed over 4 million people.

An ear-piercing buzzer calls lawmakers to a vote with a series of long and short rings to form coded messages.

Home to a vast and influential collection of Shakespeareana.

The first purpose-built art gallery in the United States is once again open as a center of craft arts.

Quirky water tower advertises the long-gone Brooks Tomato Products Co.

Once one of the world's great cities, Cahokia was a place of religious worship, trade and mass human sacrifice before being mysteriously abandoned.