This former theme park in New York's Adirondack Mountains fell into ruin before being resurrected as a state-run campground

An eight-foot-long pine cone made out of 140 recycled steel shovels is an homage to Maine's state flower.

The only remaining historic maritime signal station in the United States.

Take a step inside the picturesque studio of America’s most renowned sculptor.

This historic hotel was once home to Henry David Thoreau and rumored to be haunted by ghosts of fallen soldiers from the American Revolution.

This stimulating sex toy museum is sure to arouse the interest of its visitors.

This lakeside tower is the third attempt at getting a tourist destination to stick on the spot.

Public outcry led to this bridge's unique character which celebrates a giant frog battle and also sewing.

Holding multiple historical boats and an entire 19th century village, this New England attraction is the largest maritime museum in the world.

This Las Vegas casino boasts one of only three spiral escalators in the United States—an engineering wonder.

A unique shopping and dining park created from old shipping containers and filled with local businesses.

Once the largest public hospital for the mentally ill was also surrounded by controversy.

This Dutch-styled residential building was originally a cocoa company's World's Fair showpiece.

A monument to the military service of America's greatest traitor refuses to even name him.

Founded by the famed children's book artist, this museum spreads an appreciation of the arts through picture books.

The "original web site," this farm in Northern Vermont encourages orb-weaver spiders to build their daily webs, and then sells the preserved masterpieces.

The sweetest graveyard in the world is filled with headstones for dearly de-pinted ice cream flavors.

Cryptid lake monster honored with its own monument.

This 38-drawer structure claims the superlative title, but it isn't the world's only giant filing cabinet.

The homestead of American patriot John Adams.

Civil War Fort on an island in the Boston Harbor.

This Cape Cod museum exhibits what it claims is the only authenticated pirate treasure in the world.

35,000 grape hyacinths flow like water down a garden hill.

This delicate museum is devoted to the art and industry that once supported Cape Cod's oldest town.