A monument in Washington D.C. marks the spot from which all other roads were supposed to stem.

A line of blue paint marks the route of the inaugural parade.

The ruins of this long-abandoned unsuccessful gold mine can still be found.

A secretive collection featuring objects that were designed specifically for U.S. intelligence operations.

Collecting 700 years of mechanical death-dealing, the NRA's sprawling gun museum is a revealing testament to the American obsession with armament.

The high point on the 16th president's eponymous roadway is marked by a massive version of his head.

One of the smallest towns in the United States.

Once a mortuary that held the remains of Buffalo Bill, this Denver hotspot is now a death-fixated restaurant.

Less a museum than a bizarre fantasy world created by artists and engineers.