La Monte Young and Marian Zazeela's "Dream House" will immerse you in an ever changing world of sound and light.

A grove of colossal man-made flowers built to collect the sun's rays.

Light bulbs, scrap wood, and tinfoil comprise this homemade throne of the gods.

During the Industrial Revolution this “Temple of Invention” was full of intricate miniature machines and gadgets.

A museum dedicated to exhibiting remarkable outsider art.

The first purpose-built art gallery in the United States is once again open as a center of craft arts.

The little-known, 300-year history of the area includes former lives as a bustling tobacco port, parking lot, and industrial dump.

One of the most influential presidents in U.S. history wanted only this plain, elegant monument as his lasting memorial.

Fittingly, America's museum of architecture is itself a magnificently designed old building.

A former major munitions plant that has been converted into a sprawling art space.

At 207 feet, one of the world's longest continuous escalators.

Manhattan’s Battery Park has a whimsical carousel full of spinning, glowing fish.

This small New York museum examines Chinese history from its origins right up to its arrival in the city.

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

The only remaining U-boat that is still floating never actually saw any action in World War II.

The oldest surviving synagogue in New York City is now a soaring art space.

A terrific purveyor of natural history objects and curios.

The oldest operating apothecary in the US has treated everyone from Thomas Edison to Mark Twain.

A Manhattan office building is home to the world's largest chess board.

Commemorating the spot where the famous scientist fed his pigeons.

A small peaceful park and waterfall tucked amid the urban grind of Midtown Manhattan.

The origins of midtown Manhattan's anachronistic wooden farmhouse remain a mystery.

A famous songsmith's custom piano, dubbed "High Society," is hidden just out of sight in one of New York's finest hotels.

Spinning silently in the lobby of an Art Deco masterwork is a massive vintage model of the Earth.