This one-block alleyway is stuffed with street art that is colorful, cultural, and intensely political.

The oldest burial ground in the city, final resting place of city founders, Ohlone natives and murderers alike.

The miraculous hydrant that saved the Mission District in 1906.

A shop full of natural curiosities, carnivorous plants, and costumed taxidermied mice.

An essential stop before plundering, BYO Cutlass.

A tiny theater hidden in an alley plays a constant stream of short silent films for anyone willing to peer through the peephole.

This ordinary street was made infamous by a legendary visit from the devil.

Where a railroad loops under or over itself to rise or drop more than 70 feet in a short distance.

Thousands of turbines whir at at the origin of North American wind power.

An abandoned 1920s-era stretch of cabins now overshadowed by the 66 Motel.

Although now a decaying ruin, this stone cabin's history includes several notable figures.

A spiritual vortex among the red rocks in Sedona.

From a T-rex to a teapot, a cast of artificial fossils illustrates New Mexico's history.

The fictional star of "Breaking Bad" is memorialized with a real-life gravestone in his hometown.

The official atomic museum of the United States explores the explosive and productive history of a much maligned energy source.

The unusual patterns in this rock formation result from two distinct modes of weathering.

A museum has some wedding cake dating to the Teddy Roosevelt administration, and some bacon from FDR's.

A tunnel with windows, so you don't miss out on the impressive views.

Settled by the Church of Jesus Christ of Latter-day Saints in 1859, this abandoned frontier town has appeared in several films.

Millions of dollars worth of sculpture decorate this Iowa city center.

Lured here by the promise of tens of thousands in gold, Jesse James started a quintessentially American trend of robbing trains in-motion.

An obelisk commemorating Lincoln's role in connecting the coasts.

This massive railroad spike celebrates the 1939 premiere of the movie “Union Pacific.”

Golden and naked, the figure that was once the highest point in New York is all that remains of the second Madison Square Garden.