After a short-lived attempt to bring America in line with the rest of the world, this road was left in metric.

America's only nuclear missile silo open to the public.

Once a year, at exactly 11:11 a.m., this monument comes to life.

Artifacts from a battleship sunk at Pearl Harbor displayed in the Capitol building of its namesake.

This rustic cabin, outfitted with gun slits, was once home to John D. Tewksbury, patriarch of the bloodiest family feud in American history.

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

Dramatic river bend surrounds a natural red-rocked pedestal.

Walk through the actual strap iron cells and solitary chambers of Arizona Territory’s first prison.

This collection of vintage signs reflects the long and colorful history of this Arizona town.

An ode to iconic Nashville locations.

In 1912, a broken section of the reservoir wall released millions of gallons of water and destroyed many homes downhill.

This quirky local sculpture is quite literally a fish out of water.

The Midwestern United States' tribute to Michelangelo is a foam statue sprayed with gaudy gold paint.

The unluckiest U-boat in the entire German fleet is now on display in a Chicago museum.

Located in a Civil War era building, this café is engrained with the spirit of Edgar Allen Poe.

The world's longest outdoor covered escalator system transports commuters through Hong Kong's hilly terrain.

Climb to the top of the world's largest seated bronze Buddha.

One of the world's tallest Ferris wheels takes visitors high above Las Vegas in a spinning party room.

The oldest still-existing mosque in the United States sits in a remote prairie in North Dakota.

One North Dakota man's vast collection of rare rocks, polished orbs, and geological wonders.

This Yellowstone geyser may not shoot as high as the nearby Old Faithful, but it erupts for considerably longer.

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

The largest hot spring in the United States is, as the name suggests, a stunning show of natural color.

A beautiful geyser under environmental threat.