A giant donut stands as a popular symbol of Los Angeles iconography.

Hollywood's most famous landmark, the "temporary" sign that has stood for decades longer than intended.

High on a hill overlooking Los Angeles lives a world famous, high-power conical Tesla Coil.

World's smallest skyscraper, the product of a remarkable con.

This symbolic piece of New Orleans architecture is also home to a few ghastly stories.

This architectural triumph is the only Frank Lloyd Wright house in Alabama.

An early-19th-century hotel with a past that is steeped in the Civil War.

One of corporate America's best-kept secrets is also one of the most publicly displayed.

Scattered around Atlanta are little doors with big charm.

An underground magnet for ever-changing street art.

After the comedian dissed a Connecticut town on his show, they named a sewage treatment plant after him.

The "possessed" house that inspired "The Haunting in Connecticut" book and movie.

A castle inspired by medieval architecture is hidden in the woods of Connecticut.

A giant green dragon crawls down from the roof of the Providence Children's Museum.

Rhode Island's tallest building bears a resemblance to the "Daily Planet" building and has been empty for more than five years.

The only surviving fragment of the lost Narragansett Pier Casino.

You can spend the night as an honorary lighthouse keeper in this quaint, historic beacon.

Three and a half miles of cliffs, rocky beaches, Gilded Age mansions and 40 Steps to nowhere in particular.

A luxury hotel constructed out of a former jail.

This statue intended for children to enjoy became a minor political spat.

Millions of numbers carved in glass represent the tattoos forced upon victims.

Historic Hull Street was actually the first street with a proper name in the Boston area.

Ice cream stand, snack bar, and time capsule of milk conveyance.

Mrs. Mallard and her brood are a beloved fixture in Boston Public Garden.