A grand Gothic Revival basilica with stained glass depictions of Montreal's religious history has only one soul resting in its crypt.

At this Minnesota state park you can easily wade across the source of the mighty Mississippi.

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

An unusually designed bridge from the 1920s was built to withstand the tides and winds of Maine.

This museum on a college campus pays tribute to the Arctic and to two explorer alumni.

The oldest surviving botanic garden in the United States.

Once a private collection, now the only museum of arms and armor in the Western Hemisphere - CLOSED.

This tall Massachusetts folly got its name thanks to all of the purple prose its vistas inspired.

This bridge was the birthplace of a unit of measurement based on a fraternity joke.

"A hideous albatross in the Hudson River Valley."

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

Two mermen, eternally spitting into each other's mouths.

Decades after testing the polio vaccine on unwitting patients, this historic mental hospital sits in ruin.

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

One philanthropist's extensive collection of knick-knacks and curiosities is now a public museum of oddity.

This giant Massachusetts sycamore is said to hold the dubious distinction of being the "widest tree East of the Mississippi!"

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