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

The tragedy of the Japanese internment camps is remembered here by a stark "Soul Consoling Tower."

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

This crumbling Death Valley mining complex was known for its use of giant, 20-mule team wagons.

Floating man-made island and upscale restaurant.

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

Giant, natural amphitheaters made of delicate geological formations called "hoodoos."

The marker offers a rare chance to be in four U.S. states at once, though there's some controversy over its geographic accuracy.

This raised bulls-eye visible from space was the subject of an intense geologic controversy.

Despite its name, this route in southern Utah offers a heavenly day trip.

This concert pavilion on the shore of the Great Salt Lake has been destroyed by fire, water, and disinterest but keeps coming back.

This rugged area of red rocks and arches is often considered one of the most beautiful places on Earth.

At this Minnesota state park you can easily wade across the source of the mighty Mississippi.

A town honors its legacy of traditional American Indian pipe carving with one gigantic pipe.

A little-known memorial to servicemen and nurses killed in the line of duty during the First World War.

A winged-helmed, sword-brandishing tribute to German Americans.

The watery grave of an impractical idea.

The fungus-shaped vintage gas station has served multiple purposes over its lifetime, and now serves ice cream.

The oldest continually used church in Minneapolis also sells great meat pies.

Downtown Minneapolis mixed art and function by turning some of their sewer covers into works of art.

Secret hideaway for an alternative beach experience.

17,400 lbs., 12 feet in diameter, and 29 years in the making.

This picturesque cliffside beacon no longer calls to sailors but shines once a year in honor of a famous shipwreck.

An amazing collection of sculptures and art.