The highest peak in Utah is the hardest to reach, but only if explorers choose the hard way.

Members of Congress have traveled between the buildings on Capitol Hill for a century hidden from tourists, press, and storm clouds.

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.

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

This statue of the "father of television" stands prominently in the United States Capitol.

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

"Congress may voluntarily remain in session throughout the summer, in order that our Congressmen may be protected from the intolerable discomforts and dangers of the ordinary outdoor weather!”

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

There’s a hidden military meme engraved on the World War II Memorial.

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

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

This lonely gas station has stood at this location since 1917.

A miraculous natural phenomenon known as "the spring that breathes."

This town is home to the world’s largest arch constructed entirely of elk antlers.

This large, castle-like structure is hidden amid the mountains on the grounds of the Utah State Hospital.

A trading post in the North Pole where children send letters.

This set of three large, volcanic hot springs is a favorite haunt for intrepid divers.

A museum in rural Utah documents the history of the Japanese Americans who were forcibly relocated there.

A small flooded ghost town with a few scattered structures remaining.