The fairy tale castle of the "fairy-tale king."

This massive redwood tree has a hole in the base big enough to drive through.

One of the most scenic stretches of road in America winds between some of the country's oldest trees.

Canyon walls shrouded in ferns.

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

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

Quirky castle designed by the American actor best known for portraying Sherlock Holmes on stage.

Former abode of notable poet, complete with literary references and stories of ghosts.

Fossils, railroads, and waterfalls!

Few other hotels can rival the grandeur of the Castle in the Rockies.

This country market harbors goats on its roof.

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

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.

Civil War Fort on an island in the Boston Harbor.

"Try not to knock anything over!"

Solar powered Spectacle Island features all-green facilities.

A coastal rock outcrop with mysterious inscriptions variously attributed to Native Americans, Portuguese, Phoenicians, Norse, and more.

This evocatively named natural crevasse was created by a torrent of water that smashed right through a granite deposit.

Books you don’t need in a place you can’t find.

The kind of mixed-up place that drives archaeologists crazy.