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

The "lovely red Vega" of the legendary record-settling pilot.

A museum cafe showcases Native American dishes and indigenous ingredients from across the Western Hemisphere.

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.

Rumor has it the uncarved lump behind the three famous suffragists is reserved for the first woman president.

A little marble compass above George Washington's (empty) tomb in the Capitol marks where D.C.'s four quadrants intersect.

One critic described it as "middle Mussolini, early Ramses, and late Neiman-Marcus." Another called it an architectural "natural disaster."

A secret greenspace hides atop a Capitol parking garage.

Outside the Department of Transportation, a collection of artifacts honors the history of how we get around.

This lonely waterfront memorial to the men of the Titanic was erected by the "Women of America."

The oldest continuously operating fish market in the United States.

Few other hotels can rival the grandeur of the Castle in the Rockies.

This shale formation along the Appalachian Trail once inspired the third president of the United States.

Built in the 1850s, this church was of the first five churches constructed in Harper's Ferry.

The last holdout of a pre-Civil War rebel who took the matter of slavery into his own hands.

This advertisement for talcum powder was painted on the rock face and has since defied removal.

This university transit system is a 1970's vision of the future.

One of nature's most well-scheduled phenomenons resides in Wyoming's Yellowstone National Park.

A beautiful geyser under environmental threat.

The largest hot spring in the United States is, as the name suggests, a stunning show of natural color.

The Denver airport is guarded by a 32-foot-tall sculpture of a demonic horse.

Dyed by iron oxide over centuries, these sandstone rocks rise thousands of feet into the sky.

Not merely a museum – but a whirring powerhouse that offers a subterranean peek into the heart and soul of cable car operations.

One of the oldest producers of hand-folded fortune cookies still uses its original secret recipe.