This quarter-mile tunnel under the Bluff in Pittsburgh bends at a 45-degree angle.

This spot memorializes one of the greatest plays in NFL history, unless you happen to be a Raiders fan.

One of the steepest streets in the United States makes an intriguing challenge for cyclists.

There aren't too many operational funiculars around, but Pittsburgh has two!

A piece of baseball history is preserved in a Pittsburgh parking lot.

Two large-scale sculptures of Adam and Eve greet visitors in the nude at the Time Warner Center in NYC.

The 28-foot granite map plots the locations of 40 theaters in New York City.

A bit of retro transportation flair preserved in the world's largest department store.

A dilapidated dock tells the story of Titanic’s missed arrival.

The colossal cartoon man stands outside a Nevada museum.

Curiously, this large sporting goods store features 14 wax representations of American presidents.

Back in the day everyone who was anyone played this historic western theater.

An iron monument on the 120th meridian as surveyed, one of only four marking the boundary between Nevada and California north of Lake Tahoe.

The museum is housed inside the historic 1863 Carson City Mint.

What began as a prominent Burning Man art piece is now an iconic symbol of downtown Reno.

This former New Jersey bus now exists as a public art exhibit.

An iconic 1960s theater with a Buckminster Fuller-style geodesic dome.

This 18-foot-tall steel lotus is a meditation on ecological crisis that originally appeared at Burning Man.

The arch that celebrated the completion of the Lincoln and Victory highways.

Bill Murray bowled three straight strikes here at Reno's "Taj Mahal of Tenpins."

This Nevada lake holds its titular natural pyramid and, if the legends are true, a number of dangerous spirits.

The home of possibly the least-loved U.S. president stands as a sort of unpopular Monticello.

This extraordinary model train layout covers over 1,700 square feet, with multiple trains running simultaneously.

A huge railroad museum with over 100 pieces of rolling stock focusing on the railroad history of Pennsylvania.