Allowing humans and fish alike to migrate from freshwater to saltwater and back again.

The small town of Poulsbo in Washington state is the next best thing to the Kingdom of Norway.

A castle built for love, and abandoned due to heartbreak.

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

Eclectic architecture in the woods of New York.

This collection started by a Cornell professor once held more than 600 human brain specimens, including the one that belonged to its founder.

A field in which God and his son Jesus purportedly appeared to a young farm boy named Joseph Smith.

The world's largest mountain carving could fit all of Mount Rushmore inside it many times over.

Beautiful mostly-abandoned town only accessible by sea-worthy boat or plane.

The granddaddy of all tourist traps, built on ice water, jackalopes, and a giant dinosaur.

A building so large that it has its own weather.

Town of spiritualists and mediums in Florida.

The only road through the heart of Glacier National Park.

Roadside tribute to a staple of eastern European cuisine.

A surviving remnant of the thick ice mass that once mantled most of Western Canada's mountains.

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

Hoodoos, naturally eroded land formations, stand 20 feet tall in the Canadian badlands.

An automotive, farming machinery, and aviation museum located in Wetaskiwin, Alberta, Canada.

Possibly the world’s easiest Easter-egg hunt.

Canadian centennial project designed to gather information about UFOs.

Stolen goods adorn the organ at Old North Church.

The site of Paul Revere's historic two lantern warning.

A former waterfront market is now in the center of town due to some interesting Boston engineering.

An interesting decoration on this historic site, this weathervane comes with as many legends as it does questions.