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

A traveling postal dog covered 48 states and more than 140,000 miles, and he lives on as taxidermy, patched up with a rabbit's foot and a pig's ear.

An easily overlooked memorial to a Ukrainian famine-genocide that killed over 4 million people.

A haunting tribute to pioneering photographer Clover Adams.

This stunning blue and gold room changed cities twice before becoming part of the Smithsonian.

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

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

An overlooked memorial honoring the local Washington residents who died in World War I.

Those with a sharp eye can find the hidden image of a German Shepherd on the memorial's Mural Wall.

There’s a hidden military meme engraved on the World War II Memorial.

A tiny monument to the unsuccessful attempt by Thomas Jefferson to place the prime meridian in Washington.

This taxidermy horse was a Civil War hero.

A muscular Art Deco monument represents the struggle between regulators and unbridled markets.

Washington's iconic carousel has a nice piece of Civil Rights history.

A heroic pigeon that, through a barrage of gunfire, delivered a message that saved over 100 lives in World War I.

A much-maligned monument to teetotalism.

The most decorated dog of World War I is preserved in the Smithsonian.

Look closely and you’ll notice that the color changes a third of the way up the tower.

Perhaps the most scandalous statue of America's first president.

The 5.5-mile ring of steel posts around the Capitol Building is one of the largest (and most uniform) of its kind in the world.

The 28,000-year-old specimen is remarkably intact.

In a busy Oaxaca market, a nearly century-old drinks stand still serves family recipes from giant clay pots.

A 16th-century monastery boasts a lush array of plants native to Mexico’s most biodiverse region.

This amazing collection includes rare stamps from around the world, including fluorescent ones.