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

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

The longest-covered bridge in the state of Maryland.

This extraordinary Depression-era expenditure was modeled after a postcard of a Mediterranean hotel.

Beautiful views of the surrounding hills and birds of prey can be found at this sanctuary.

An indoor miniature village and labor of love for Laurence Geiringer, a model railroad enthusiast.

A 56-foot tall statue of the god of fire looks out over Birmingham, Alabama.

At Washington's Dulles Airport is a satellite museum (no pun intended) with three quarters of a million square feet of aircraft history.

Leave it to Key West to drop a real-live drag queen instead of a ball to mark the arrival of the New Year.

A monument celebrating the idea of reaching inaccessible places.

This railroad and oil tycoon's lavish estate now stands as a time capsule of the Gilded Age.

These craggy limestone outcrops offer a glimpse at a unique piece of Florida geology.

Who needs fancy modern water slides when this giant North Carolina rock works just as well?

This granite rock face is named for the magnificent reflection that occurs when the sun hits it just right.

This bridge was the birthplace of a unit of measurement based on a fraternity joke.

In 1958, an MIT fraternity pledge laid down on this bridge and instituted a new, unique unit of measurement.

A tour de force of a fountain, memorializing a man who loved fountains more than anything else.

Madrid's romantically ornate crystal palace has been offering shelter to plants and art for over a century.

A lush indoor jungle fills this bustling Madrid transportation hub.

These magnificent city walls rise from the barren sun-baked Spanish plains like something straight out of a fairytale.

The facade of this 16th-century building is decorated with carvings of 300 seashells.

The Cathedral of Salamanca has a number of unusual carvings but none so surprising as a modern astronaut.

This massive roadside mascot was the first version of the giant to illustrate his butt.

The first declared National Monument in the United States.