The headquarters of the famous Yale society.

While many places make the claim, the Library of Congress says this restaurant is the birthplace of the hamburger.

The American rainmaker and a burst dam.

An inconspicuous suburban street corner is the site of San Diego's worst air disaster.

The Giant Lemon of Lemon Grove.

Tucked away behind an unassuming set of shops is a must-see series of stunning murals.

Educational foundation that teaches the powers of fourth dimensional physical properties.

A Biblically-based Natural History Museum.

The smallest Mexican land grant in California was given, and then taken from, a 19th-century teacher and nurse.

One of the largest trees of its kind in California.

Swarms of butterflies cannot compare to the awe inspired by the publicly-funded nakedness once displayed in this sunken garden.

The world's largest outdoor organ is played weekly by one of just two civic organists in the U.S.

One man's quest for the ultimate road trip vehicle.

A museum of anything and everything Stooge.

America's first serial killer rests in anonymity.

Surrounded by industrial sprawl, a small monument marks the site of William Penn's first landing in Pennsylvania.

A drab two-story office space in Delaware is a hidden tax haven for Hillary Clinton, Donald Trump, and over half the Fortune 500 companies.

The tombstone of the founder of the lost town of Ogletown is now stuck inside a traffic median.

A small 19th-century graveyard tucked away in the middle of a suburban neighborhood.

This beloved Baltimore spot features caged dolls, a giant Pez collection, and many, many mannequins.

This graceful little figure is a one-of-a-kind version of the cherished character.

A gigantic 10-foot tall stone man.

A fictional town that was briefly brought to life before fading once again out of existence.

An abandoned castle owned and ignored by Masons carries a cursed history.