The former estate of the Guggenheims, part of the opulent Gold Coast that inspired the Great Gatsby.

The first commercial nuclear power plant constructed on Long Island.

An unrealized dream to wirelessly electrify the entire Earth.

At this farm in upstate New York, the former president plotted his reelection campaign.

The schoolhouse where Jesse Merwin, the inspiration for the "The Legend of Sleepy Hollow" character, once taught.

Inspiring Herman Melville and Henry David Thoreau, Mount Greylock in western Massachusetts is the highest point in the state at 3,491 feet above sea level.

The sci-fi villain is a little-known inhabitant of the U.S. capital's largest cathedral.

This Czar-funded, onion-domed, lavishly muraled Orthodox Church played a starring role in "The Deer Hunter."

The oldest still-operating tavern in the United States was once owned by a pirate.

Eco-friendly island mansion.

Sit where JFK proposed to Jackie or where Nixon dined on meatloaf at this storied pub.

The bank that helped fund the Mexican-American War and the purchase of Alaska met its downfall after helping Augusto Pinochet launder money.

Designed by Horace Trumbauer in 1893, this Gothic-style castle is now a home for academics.

A museum celebrating rare American motorcycles where everything runs—and none of it quietly.

Thousands of bottles that have held everything from poison to perfume make up the collection of this small museum.

Two mermen, eternally spitting into each other's mouths.

Electrical pylon in the shape of Disney's beloved mouse.

Opened in 1976, this monster-sized version of the fast-food franchise is sometimes called the Epic McD.

A glimpse at Walt Disney's vision for a "community of tomorrow," in miniature.

A tiny rock climber scales the headstone of a beloved director.

This historic Pittsburgh tennis complex is a rare example of natural red clay courts.

A bigger-than-life pun that has become a beacon of altruism.

Pasadena glamour turned government issue.

The famed poet was born in 1819 in a farmhouse built by his father.