This island castle contains enough secret passageways to support a season of Scooby-Doo episodes.

A perfect replica of the beloved show's first set.

This enormous banquet-themed artwork honors over 1,000 notable women throughout history.

Legend tells how a Spanish soldier disappeared from this isolated sentry box without a trace.

This bleach-white graveyard overlooking the ocean is accessed through a tunnel.

These light, hollow rolls have been linked to Acadia National Park since the 1890s.

Stone monument honoring a town founder has a witch-boot shaped stain and a curse to go with it.

The first bridge observation tower in the U.S. offers one of the best views of Maine.

A precariously balanced rock perches on the edge of a cliff created tens of thousands of years ago by glacial erosion.

The Vermont grave of a 4,000-year-old mummy prince.

An ancient glacial pothole waterfall in the heart of the Green Mountains.

This charming woodland trail is peppered with poetry.

An old abandoned mining town in The Adirondacks where Theodore Roosevelt first learned of the shooting of President William McKinley.

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

Lady LeWinDa Milkzalot showcases Lewis County's dairy farming heritage and boasts an impressive rotation of seasonal outfits.

A giant roll of mints marks the birthplace of one of America's most famous candy brands.

This Art Deco fortress in upstate New York gives Manhattan's vaunted examples of the style a run for their money.

Abandoned 19th century homes once occupied by naval officers, soon to be demolished.

A small graveyard is hidden in the midst of a bustling university campus.

One of the most dazzling dioramas at the American Museum of Natural History is also one of the oldest.

Creating this diorama spurred naturalist Carl Akeley to begin advocating to protect the apes.

This magnificent herd of stampeding elephants has been frozen in time for over a century.

This monument to a veteran of the Mexican-American War is one of only two in Manhattan that serve as an actual mausoleum.

This beautiful Brooklyn monument over a crypt memorializes a grim and largely unknown story from the American Revolution.