The "Seinfeld" diner.

Elevated freight railway turned wildly successful urban park.

Tucked in the back of this amazing antique store is an important piece of medical history.

Resting place of Hollywood's immortals is also site of summer film screenings.

World's largest collection devoted to one fruit.

The ghostly remains of an accidental sea.

Version of the French Riviera destroyed by the sea.

A hand-built folk art installation covered with messages of God's love.

An original apothecary from 1792.

The narrowest house in America is seven feet of pure spite.

This massive tea kettle was once a promotional stunt for the Oriental Teashop.

Macabre headstones carved with winged skulls, dancing skeletons, and pithy reminders of impending death.

One of the oldest used bookstores in the U.S. has been selling antiquarian treasures since 1825.

Two thousand artifacts from around the world collected by one woman who loved to travel.

A beautiful Victorian-era cemetery, complete with a miniature village.

This Boston medical museum features the skull of the famous medical case of Phineas Gage.

The fifth-longest suspension bridge the world, connecting one Michigan peninsula to another.

Island where motor vehicles are banned -- home to the only carless highway in the United States.

A Beaux-Arts triumph set to become Ford's innovation campus

This bug-eyed water wheel uses the power of the Sun to clean up Baltimore Harbor.

This simple convenience store sits on the location where the Ouija board was named—and has a plaque to prove it.

A 200-year-old bar with a cheeky name claims to have served Edgar Allan Poe his final drink.

It's not hard to see why the historic Peabody Conservatory of Music's library has been described as a "cathedral of books."

Look closely and you’ll notice that the color changes a third of the way up the tower.