A sacred site for Native Americans surveyed by George Washington and owned by both King George III and Thomas Jefferson.

A glimpse into early 19th-century education.

Bizarre Cavern.

A museum dedicated to "science, history and the arts" little changed since 1915.

The 32nd president's sprawling cottage sits on an island enclave jointly managed by the U.S. and Canada.

The largest hand-carved, outdoor sculpture collection in the state of Maine.

A small Canadian town founded as a refuge for Loyalists following American Independence.

This waterfront museum in Maine is dedicated to the history of the smoked-herring trade.

A small park commemorates the departure of the first-ever successful transatlantic balloon voyage.

An ever-changing gathering of crude wooden figures haunts the St. Lawrence River.

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

The second-oldest garden cemetery in the U.S. was also a college brainstorm spot of Stephen King.

The United States' first transcontinental automobile road came to its end at this spot in San Francisco's Lincoln Park.

Largest institutional collection of tomb figures from Western Mexico in the United States.

This massive solar system model is sprawled out across Maine's suburban wilderness.

Abraham Lincoln's vice president took his last breath here on July 4, 1891.

The remains of a large iron mill that once stood in the remote woods of northern Maine.

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 tree was extinct for a thousand years before sprouting again from a 2,000-year-old seed.

This 150 foot seven-tiered cascading waterfall is one of the hidden gems of the White Mountains.

This 90-year-old building is home to possibly the most New Englandy social club in existence.

A century after his death, this covered bridge still calls to mind the plein air painter who loved it.

This small, unassuming, nursery plays hosts to some unique plant life.

A giant telephone commemorates the last "crank" call ever made in the U.S.