A small sculpture garden that provides a microcosmic representation of California.

A vast city of the dead, where the deceased outnumber the living by more than a million.

This lovely Scottish nature walk leads to the source of a local legend.

Colorful sand dunes create a unique attraction in this part of Utah's red-rock country.

An overlooked monument to the celebrity gangster who helped put the sin in Sin City.

Giant jewel-toned statues fill the grounds of this Cambodian Buddhist temple in California.

The oldest attraction in Disneyland is a prehistoric stump that Walt may have bought for his wife.

The longest covered bridge west of the Mississippi River.

The flow from this waterfall sometimes comes out of springs below its rim.

This teeny-tiny park built by a San Francisco man in 1962 is mostly stairs.

This symbol of peace is appropriately positioned overlooking the Pacific Ocean.

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.

These unusual rooms on wheels are holdovers from the 1960s.

While most wind tunnels test scale models, the "Cave of Winds" was large enough for actual airplanes.

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

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

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

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

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

Coins and medals straight from the mint await visitors to this shop in the nation's capital.

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

The actual model from the original "Star Trek" series is now on display at the National Air and Space Museum.

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

The beloved statue at the National Academy of Sciences is oh so inviting to sit on.