The Hudson River School comes alive at this palatial estate.

At this farm in upstate New York, the former president plotted his reelection campaign.

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

An interesting look into 18th-century American history.

Lake Champlain Bridge, the recently demolished and rebuilt bridge where they filmed "What Lies Beneath".

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.

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

A former zoo turned public park, where visitors can hang out in the old animal cages.

This World's Fair showpiece was built in Chicago, but shipped to Maine.

The “Grand Canyon of Maine” is a three-mile gorge full of striking geological features.

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.

Fragments of architectural wonders from around the globe are embedded in the newspaper building's walls.

Four glass boxes hover over 1,000 feet in the air to give visitors an unparalleled view of Chicago.

See massive fossils that are over 200 million years old in northeastern Arizona.

The largest hot spring in the United States is, as the name suggests, a stunning show of natural color.

Famously misunderstood wonder of the ancient world

One of only two commuter aerial tramways in the United States.

Ruined 11th century abbey built by King David I in Edinburgh, Scotland.

This 4,000-foot-diameter hole is touted as "the most well known, best preserved meteorite crater on Earth."

The most iconic structure in Scotland has been home to bishops, colonels, and Sean Connery characters.

A beautiful geyser under environmental threat.

Ninety feet off the valley floor is an ancient dwelling put under protection of the U.S. government by Teddy Roosevelt.

Hollywood's most famous landmark, the "temporary" sign that has stood for decades longer than intended.