The home used in just a few seconds of film that came to define the setting of a hit sitcom.

The oldest certified bowling alley in the United States is in the basement of this century-old bar.

This striking art museum holds an amazing series of curiosity cabinets.

Once a speakeasy operated by Al Capone, this Milwaukee cigar bar is now a haven for ghost hunters.

Four glass boxes hover over 1,000 feet in the air to give visitors an unparalleled view of Chicago.

A medical facility that has been kept frozen in time.

A hidden network of subterranean passageways lies tangled beneath Indianapolis' bustling City Market.

An organ located deep within a cave, whose "pipes" are the geological features of the cave itself.

Where school buses go to die and be reborn as whimsical works of art.

Mysterious ancient boulder carved with petroglyphs in the mountains of Western North Carolina.

Hop on the train and tour an elaborate miniature town made completely of junk (including the train).

This road in the Great Smoky Mountains was supposed to assuage a displaced community, but ended up a $52 million dead end.

A local scoured more than 1,000 acres for stone to create his masterpiece.

Outstanding collection of 19th century medical instruments includes a life-size figure cast from as many as 200 cadavers.

This former tuberculosis research hospital endeavored to cure the dreaded disease with fresh air and positive attitudes.

This modern castle sat empty for decades before a fire inspired its builders to complete its luxury halls.

This grave marks the final resting place of a legendary frontiersman... unless it doesn't.

The inventor of the iconic Pringles can was so proud of his invention he was buried in one.

This collection of Japanese luck idols beckons visitors with over 2,000 waving paws.

Where beautiful signs live on forever.

The world's largest collection of porcelain "veilleuses-theiere," or night light teapots, includes four that belonged to Napoleon.

A museum that houses the world's largest collection of ventriloquism dummies.

The final resting place of the tragic king and queen of the Jazz Age is tucked away in a small Maryland graveyard.

The shelves in the back of this thrift store are devoted to saving, not selling, retro tech.