The longest escalator in the Western Hemisphere takes over three minutes to ride down.

The Pennsylvania shopping center was once the setting for the 1978 film, "Dawn of the Dead."

One Pittsburgh musician's decades-in-the-making memorabilia collection is on display at this rock-n-roll curio shop.

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

This public park was the site of the largest civilian disaster of the Civil War.

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

The only way to see Pittsburgh is from the top of this lookout point, just like the ancient members of the native peoples did.

The United States’s oldest funicular railway glides up and down a steep Pittsburgh street.

One of the few working locomotive roundhouses in the United States.

A sealed test tube said to hold Thomas Edison's dying breath was given to the inventor's friend and mentee, Henry Ford.

This Niagara Falls tourist trap is a world bright with neon and curiosities that will inspire love, hate, or a mixture of both.

This impressive working clock made of 16,000 plants changes its flowers twice a year.

In one of America’s oldest mountain ranges, a long-awaited section of a scenic highway is now open to the public.

A recreation of the doomed ocean liner in the middle of the Smoky Mountains.

This replica of the Greek structure is in the heart of Nashville.

A homage to the King at the hotel where he revived his career.

The second-largest gold nugget in existence, displayed in a Las Vegas casino conveniently named the Golden Nugget.

Nevada's largest cactus collection stands outside a candy mogul's small factory.

An exotic wildlife habitat right off The Strip.

An amazing example of early-20th-century architecture, this church features marble transported from Utah.

The tunnel under the Capitol Building where Congress takes out its trash.

A 1,100-ton train fell through the floor in 1953. Workers got it patched up in just 72 hours.

An overlooked memorial honoring the local Washington residents who died in World War I.

Look closely and you’ll notice that the color changes a third of the way up the tower.