The highest point in North Carolina and the United States east of the Mississippi River, Mount Mitchell is named after argumentative explorer Elisha Mitchell.

A sacred site for Native Americans surveyed by George Washington and owned by both King George III and Thomas Jefferson.

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

"Girl in a Wetsuit" is what happens when a sculptor has to find a way around a 100 year old copyright.

Surprisingly Delicious Asian-Style Hot Dogs.

This mosaic dedicated to John Lennon was tended for years by a Beatles super-fan.

The most confusing clock in New York.

Tucked away amidst some of the most famous addresses in the world is New York's only fraction of a street.

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

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

The remnants of a wooden-hulled fleet built and abandoned in WWI, now home to a thriving ecosystem.

Once America's tallest structure, now a Baltimore landmark.

Once home to seven different roller coasters, Glen Echo has undergone many transformations since its founding in 1891.

An office built to look like a giant basket.

An oil baron's wild paradise and the winner of an ill-fated air race.

An acoustic anomaly with a mysterious cause.

This super steep hike ascends 2,000 feet in less than a mile.

Thanks to a quirk of elevation this gift shop produces magic doughnuts that are found nowhere else on Earth.

This charming colonial alleyway is one of the oldest continuously used residential streets in the U.S.

This elaborate towering structure was once famed for its revolutionary height.

Yo, Adrian!

Berkeley Hot Springs presents to you "the only outdoor monument to presidential bathing."

Captain John Smith thought these cliffs were amazing in 1608 but sharks thought so 20 million years before him.

A dramatic, 360-degree recreation of Pickett's Charge in the Civil War.