Need to book a room at the Hotel Pennsylvania? Just dial up 6-5000.

A remnant from the golden age of aviation still in use today, Pan Am's Clipper service took off from this Art Deco gem.

One of the largest underground systems runs under Canada's largest urban center.

One of the Seven Wonders of the Modern World holds the world's tallest metal staircase.

A favorite of Amelia Earhart, ranking among those rare bridges that can be crossed without changing sides of the river.

A model of a dinosaur that was named for Andrew Carnegie stands outside the museum that also bears his name.

Legends surround this jagged rock formation in the New Mexico desert.

This recycled wax museum may be the only one that features John Travolta in a Bible scene.

This raised bulls-eye visible from space was the subject of an intense geologic controversy.

These pretty kitties killed and ate as many as 135 railway workers.

Four glass boxes hover over 1,000 feet in the air to give visitors an unparalleled view of Chicago.

The unluckiest U-boat in the entire German fleet is now on display in a Chicago museum.

The site of Neil Armstrong's first flight is marked by a full on replica of the moon landers.

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

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

17,400 lbs., 12 feet in diameter, and 29 years in the making.

Despite violent work crews and massive delays this abandoned canal tunnel was built to last into the modern day.

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

A former major munitions plant that has been converted into a sprawling art space.

Home to items never before seen by the public.

Light bulbs, scrap wood, and tinfoil comprise this homemade throne of the gods.

The privately owned cemetery that holds room for Washington's finest when they step down from life.

The Corinthian columns that towered over Abraham Lincoln’s inauguration stand proud.

The site of the climactic scene from the classic horror film is now a historic landmark.