One of the most unusual geological features, recognizable from a dozen hit movies.

Costumed elves and mountain bikers co-exist peacefully at this abandoned Christmas-themed adventure park.

This massive redwood tree has a hole in the base big enough to drive through.

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

One man's homage to the sun continues to grow like a glass fractal.

America's most famous piece of self-built architecture.

This futuristic bridge is one of the longest self-anchored pedestrian bridges in the world.

Not truly a ship nor a building, the Navy's first and last "landship" is now abandoned due to clerical issues.

This morbid scene depicts the Darwinian drama of death on the African savannah.

Come for the flowers, stay for the bats!

Native Australian lizards inhabit this garden celebrating Sydney and its sister city in China.

This whimsical group of statues is a favorite of children who love to climb all over Lewis Carroll's beloved characters.

A hotel and restaurant serving as the mecca of kitsch.

This unassuming cheese empire in rural Oregon churns out more than 150,000 pounds of cheese each day.

America's Most Wanted's set resides in this tribute to the history of crime and punishment.

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

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

The preamble to the U.S. Constitution written entirely from vanity license plates hangs in the Smithsonian museum.

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

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

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

Decades before the scandal, this staircase on the river was a literal "water gate."

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

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