The abandoned grounds and derelict greenhouses of this once-magnificent Edwardian estate are now a nature preserve open for exploration.

America's only city hall with minarets took architectural cues from Ali Baba and the Forty Thieves.

Neglected resting place of some of the city's early luminaries—and a woman encased in concrete.

Dodge prohibitionists and slide through the telephone booth in Crif Dogs.

This exemplar of modernist architecture is meant to captivate and inspire students of the Cooper Union.

Touching mementoes from those who didn't make it back from World War I still hang in one of New York's oldest bars.

For almost a century, this East Village newsstand has served egg creams to beats, hippies, punks, and everything in between.

An unassuming secret door once led to a legendary watering hole.

The remnants of two World's Fairs are here, complete with a 12-story globe, a mini-Manhattan, and a UFO-shaped pavilion.

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.