Man-made geyser that rises to the exact height of the Gateway Arch.

A much-maligned monument to teetotalism.

A tiny piece of the Moon is embedded in this stained glass masterpiece.

The largest cemetery in Louisville is the final resting place of Col. Sanders and Muhammad Ali.

The grave of the iconic Kentucky Fried Chicken mascot features a bust of the man behind the goatee.

The stately birthplace of California's statehood.

An old whaling station now serves to give the public a look at the commercial whaling industry, no longer a part of Monterey's economy.

A 56-foot tall statue of the god of fire looks out over Birmingham, Alabama.

Belly up to the bar in Cowtown, don't forget to buy some boots.

A modernist landscape of water and sci-fi concrete.

The sci-fi villain is a little-known inhabitant of the U.S. capital's largest cathedral.

Air Force Academy Chapel made of 100 identical tetrahedrons works to inspire those of all religions.

Once decrepit and slated for demolition, now one of the longest pedestrian bridges in the world.

Rumor has it the hot dog stand was targeted by two Russian nuclear missiles.

"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!”

One of the world's largest automobile junkyards is a unique landscape of metal and moss.

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.

An underground magnet for ever-changing street art.

The massive, original Colgate Clock is mounted on a defunct factory building that was once a prison.

The last remaining relic of San Francisco's glittering 1915 Panama Pacific Exposition.

A life-sized memorial to Harry L. Collins, the official corporate magician of Frito-Lay.

A bronze statue on a downtown corner honors Minneapolis's favorite career gal.

When flour explodes, it's not a pretty sight.

The only arched bridge made of stone on the entire Mississippi River.