This building is a recreation of the gatehouse that separated Los Alamos from the outside world during the era of the Manhattan Project.

This ranch on the banks of the Rio Grande is home to a little-known LGBTQ history of Mary Cabot Wheelwright, Marie Chabot, and two-spirit Navajo weaver Hastiin Klah.

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

Go take a picture with the inventor of the daguerreotype photographic process.

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

The preamble to the U.S. Constitution written entirely from vanity license plates hangs in the Smithsonian museum.

This Masonic lodge was the first major private building to be constructed in Washington, D.C. after the Civil War.

Sip creative cocktails in the former vault of the Riggs Bank.

A rotating cast of guys and dolls in front of a Washington, D.C. building.

The sculptor was instructed to add “stallion attributes” to the general's bronze mare.

One of the last mosaic tile facades found in the city.

This rowhouse doubles as one of the most photographed spots in the nation's capital.

The house where John Wilkes Booth conspired with his co-conspirators.

The unique traffic pattern named for an influential urban planner is also known as the Pedestrian Scramble.

D.C.'s first central library was born out of a chance encounter with the philanthropist whose name it bears.

This southwest-styled home in Santa Fe claims to be the oldest house in America thanks to an ancient bit of foundation.

The same security that protects our nukes accidentally protected a gentle herd of antelope.

The only retired U.S. nuclear missile silo that is open to the public.

A small Wyoming town is home to the state's oldest-operating soda fountain.

This Wyoming town is fascinated by a particular mythical creature.

No Gordon Lightfoot song, only a barebones monument to greed.

Around half a million years ago, these magnificent columnar basalt cliffs were formed from cooling lava.

The residents at this Yellowstone wildlife park will certify your cooler as "bear-proof."

A beautiful geyser under environmental threat.