When the town wouldn't allow the fast-food behemoth to build a new restaurant, they put one inside an 1850 home.

A vertically floating hemlock controls the waves and weather at Crater Lake.

A free, canine-friendly alternative watering hole near the more famous Barton Springs.

Home to an endangered salamander, a full moon celebration, and a large spring-fed outdoor swimming pool.

On the Fourth of July this area will transform into a Pompeii-like storm of falling embers and ash.

The 5.5-mile ring of steel posts around the Capitol Building is one of the largest (and most uniform) of its kind in the world.

A line of blue paint marks the route of the inaugural parade.

This statue of one of baseball’s greatest pitchers looks like something out of a sci-fi horror movie.

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

This seemingly out-of-place gas station by the Watergate hotel was once described as the most expensive gas station in the world.

While most wind tunnels test scale models, the "Cave of Winds" was large enough for actual airplanes.

A tiny monument to the unsuccessful attempt by Thomas Jefferson to place the prime meridian in Washington.

This forgotten boat elevator was an engineering marvel in its heyday.

The "lovely red Vega" of the legendary record-settling pilot.

A glimpse at Walt Disney's vision for a "community of tomorrow," in miniature.

"We Seceded Where Others Failed."

The highway's southernmost spot is a beloved local attraction.

This vintage short line in Amish country runs passenger steam train excursions and still hauls freight.

One of the world's largest murals covers a large swath of homes in its hillside neighborhood.

An Aztec temple, the largest man-made pyramid in the world, sits buried in earth with a Spanish church set on top.

There must be a pun in this haystack somewhere...

Washington's iconic carousel has a nice piece of Civil Rights history.

Electrical pylon in the shape of Disney's beloved mouse.

This historic address is home to the beloved ball and is an almost totally empty building among the most expensive real estate in the world.