Crystal clear, drinkable mountain spring water by the side of the road.

The tallest dam in Montana and top 10 in the country.

Founded in 1961, this comic shop is said to be the oldest in the world.

The so-called "Father of Las Vegas" had the city's first telephone installed in his office in 1907.

This working class sculpture pounds his hammer all the livelong day.

An old-timey peepshow allows visitors to gawk at some of the world's most freakishly large footwear.

A wall of chewing gum moonlights as collective art.

Try not to get slimed in Tribeca.

This Wall Street bar was once a hub of revolutionary activity where Washington famously bid farewell to his troops.

The very first subway station in New York City is beautiful, decked out in chandeliers, and ... abandoned?

Manhattan's lighthouse, erected at the insistence of the unsinkable Molly Brown.

Perhaps the most storied New York City eatery, Delmonico’s reshaped American restaurants.

This installation turns abstract economics into a stark, public spectacle.

A former gold rush boomtown has managed to stay in business for over 100 ramshackle years.

Formerly the world's largest, this Willy Wonka-esque contraption runs 24/7.

The only bridge in the United States where BASE jumping is legal without a permit year-round.

These falls, sometimes called the "Niagara of the West," still put on a good show at the right time of year.

This quirky UFO-shaped curiosity is often mistaken for the airport’s control tower.

A smoke stack so large, the Washington Monument could fit inside!

The only natural lake in the world that drains into both the Atlantic and Pacific Oceans.

A house carved into a rock in the 1940s.

Mining caused an asbestos emergency in this small town.

Strange red rock formations that have been attributed to a higher power for hundreds of years.

L. Frank Baum wrote part of the "Wizard of Oz" series in this wooden Victorian beach resort.