This curious, round temple is the oldest still-standing marble building in Rome.

This ritzy Italian market is built around a statue of an unforgiven heretic who was burned for his belief in an endless universe.

A master of trompe-l'oeil creates a stunning, tourist-fooling dome out of a flat ceiling.

The once forbidden "secret cabinet" of erotic art from excavations of Pompeii and Herculaneum.

A little sculpture with a large wardrobe.

According to a local legend, this bridge was constructed by an astrologer with the help of the devil.

The summer home and later final residence of acclaimed American sculptor Augustus Saint-Gaudens.

A small chapel celebrating the spiritual bond between dogs and humans.

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

Vermont's hills are alive with the sound of music at this historic hotel.

The quaint little Vermont town played a quaint little Connecticut town in Tim Burton's "Beetlejuice."

A 12,000-year-old bog boasting rare plants and fauna.

On top of Gibbet Hill lie the ruins of a lavish turn-of-the-century estate that never quite came to be.

This picturesque abandoned home is rumored to be a spite house.

Despite its extensive history, this fort saw little to no combat.

Not even a series of devastating fires could keep this odd castle in upstate New York from bouncing back.

Life-size bronzes of the Grinch, Cat in the Hat, Yertle the Turtle, Sam-I-Am, and the Lorax—and the author himself.

A mere dot on the map in the great north woods is the first place in America to vote in Presidential elections.

Ironically this massive termite is the mascot for a company that is acclaimed for killing his kind.

Turns out you can see the world without ever leaving Maine.

Three and a half miles of cliffs, rocky beaches, Gilded Age mansions and 40 Steps to nowhere in particular.

A museum dedicated exclusively to the lore and history of ouija boards.

The world's largest rotating world.

When the town wouldn't allow the fast-food behemoth to build a new restaurant, they put one inside an 1850 home.