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

The largest clock face in the United States is twice the size of Big Ben and infinitely more ad-sponsored.

Sections of the iconic limestone columns have been left uncleaned as a reminder of the city's polluted past.

Meet your friends, marry your true love, or tell your enemies to kiss your butt under this historic Pittsburgh timepiece.

A model of a dinosaur that was named for Andrew Carnegie stands outside the museum that also bears his name.

Steepest flood safety railway in the entire world.

One of the oldest living oak trees in the Southeast.

This $3 million model train takes you through Chicago, Seattle, and the thousands of miles in between.

Welcome sign announcing Haverhill, MA, as the birthplace of horror rocker/artist/director Rob Zombie.

A former waterfront market is now in the center of town due to some interesting Boston engineering.

This landmark cemetery in Boston was created more than 300 years ago.

This immigrant bridge once spanned the Thames but is now a fixture of an Arizona city.

The Denver airport is guarded by a 32-foot-tall sculpture of a demonic horse.

World War II-era Nazi compound nestled in the Santa Monica hills.

One of California's oldest continually used high schools has an interesting history, both on and off screen.

Drink a Guinness under the wings of Reagan's retired Air Force One in his presidential library.

A relic from a forgotten bakery chain still spins atop a diner.

The simple auditorium that launched a pop icon's career into the stratosphere.

A Looff creation in Santa Monica best described as “a California-Byzantine-Moorish-style fantasy.”

Sports history, made in the Arroyo Seco.

The White House Situation Room was taken apart in 2006 and shipped to the Ronald Reagan Presidential Library.

A British pub embodies the spirit of a California legend.

A few iconic structures are all that remain of America’s first outdoor shopping mall.

The words of the neighborhood's most famous poets adorn four concrete walls.