The homestead of American patriot John Adams.

An old trolley bridge was converted into a breathtaking garden bursting with colorful flowers.

Rising 30 feet in the air atop Quarry Hill, the Old Powder House is the oldest stone building in the state of Massachusetts.

Run by a eugenics advocate, this aging institution conducted secret radiation experiments sponsored by Quaker Oats.

A steampunk wonderland that preserves America's history of industrial innovation.

The simple auditorium that launched a pop icon's career into the stratosphere.

Where the rich wintered in Pasadena.

The American Home, Re-imagined.

A stellar example of Art & Crafts architecture, and a movie set to boot.

One of Hollywood’s favorite government buildings.

A Masterpiece with a Tragic History.

A sign at the end of the Santa Monica Pier marks the traditional end of the legendary American highway.

One poet's handmade, anachronistic home.

This conservatory allows a little bit of the tropics to thrive in the middle of a major Canadian city.

Traditional 15th century Chinese garden in the middle of Vancouver.

A working steam clock, one of only a few in the world, located in Vancouver's Victorian Gastown.

A tiny piece of the Moon is embedded in this stained glass masterpiece.

A hidden gem on the lawn of the U.S. Capitol Building designed by landscape architect Frederick Law Olmsted.

The site of the climactic scene from the classic horror film is now a historic landmark.

The remains of Martha, the last known passenger pigeon, serve as a tool to educate about conservation.

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

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

Giant, natural amphitheaters made of delicate geological formations called "hoodoos."

A smoke stack so large, the Washington Monument could fit inside!