The lecture hall where Alexander Graham Bell first demonstrated the long-distance phone call.

This is the house that spite built.

This historic graveyard monument is dedicated to a tragic victim of witch trial hysteria.

This small shop walked so America could run on Dunkin'.

On top of Gibbet Hill lie the ruins of a lavish turn-of-the-century estate that never quite came to be.

This lovely, if imposing, piece of Canadian gothic is possibly the most photographed hotel in the world.

This Art Deco masterpiece has stood in for some of the most famous buildings in comic book history.

This expansive bridge in the Canadian wilderness was originally just built for friends.

The crown jewel of the Queens Museum is a nearly 10,000-square-foot architectural model of the city originally built for the 1964 World's Fair.

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

This enormous Hindu temple in Queens serves incredible dosas in its basement canteen.

The first and only carousel with a lineup entirely of insects.

A pedestrian island in the middle of world-famous Times Square emits a strange (and purposeful) humming noise.

Love, knishes, and best wishes from this legendary Lower East Side bakery.

Whisper secrets in a busy station only to be heard on the other side of this acoustic arch.

The maritime museum that boasts the largest nautical library in the western hemisphere.

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

This museum devoted to the gothic author holds such interesting ephemera as his socks and walking stick.

I-95's Tijuana-style celebration of kitsch at the Carolina border.

The oldest bridge in South Carolina may have been designed by the same man who created the Washington Monument.

One New Hampshire alleyway has become home to a public gallery of feline art.

Classy up your Big Mac with bow-tied servers and chandeliers at the world's fanciest McDonald's.

The McCandless Collection preserves one of the region's most distinctive collections of rare Mopar vehicles, historic race cars, and vintage automobilia celebrating American automotive heritage.

This dam is part of the nation’s largest public power producer and a historic steward of Hiwassee River.