Three hundred years of preserved Spanish colonial history in San Antonio.

Quite simply the largest tree in the world (by volume).

An enormous illuminated figure dances on the Las Vegas strip.

A tunnel with windows, so you don't miss out on the impressive views.

A cobblestone alley with an interesting past.

The words of the neighborhood's most famous poets adorn four concrete walls.

60 feet of towering steel balances gracefully.

This quirky UFO-shaped curiosity is often mistaken for the airport’s control tower.

The blinking light atop the iconic landmark has been sending secret messages for decades.

An historic and oft-filmed spot for musclebound iron pumpers on the Pacific coast.

There are lots of hands and feet stamped in the cement in front of Grauman’s Chinese Theater, but Mel left behind something extra.

Hollywood's oldest hotel is the site of the first Academy Awards, the birthplace of Marilyn Monroe's career, and the home of Montgomery Clift's ghost.

Hollywood's most famous landmark, the "temporary" sign that has stood for decades longer than intended.

This "life-size" depiction of Mickey Mouse as a half-lobster is both whimsical and a bit creepy, standing guard over the Boston waterfront.

Berthed at the Charlestown Navy Yard in Boston, "Old Ironsides" is the oldest commissioned warship still afloat.

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

A massive hydrovolcanic explosion left a half-mile wide crater in Death Valley.

Millions of years of oxidation make a drive down this winding Death Valley road surprisingly colorful.

An abandoned Jazz Age dream home and con man's hideout in Death Valley.

The unusual patterns in this rock formation result from two distinct modes of weathering.

Most-visited and most-photographed slot canyon in the American Southwest.

Dramatic river bend surrounds a natural red-rocked pedestal.

An homage to everyone's favorite prehistoric cartoon family.

A homage to the King at the hotel where he revived his career.