This highest peak in New Mexico is named after an explorer who had a habit of lending his monicker to peaks.

For 60 years, skiers have calmed their nerves with cocktails hidden along these slopes.

A multi-storied adobe complex has been inhabited for more than a thousand years.

One of the largest aviation events in the world brings half a million aircraft enthusiasts to Wisconsin each year.

The site of an ancient Mississippian settlement that appears to have flourished during the 10th to 13th centuries.

Software company Epic Systems has created one of the strangest and largest workplaces of all time.

This cave holds a surprisingly colorful variety of geological oddities.

A bypass decorated with large wooden troll carvings.

The only Frank Lloyd Wright-designed structure in the architect's hometown.

Balanced rock sculptures pay tribute to a murdered conservationist and his pioneer wife.

Few other hotels can rival the grandeur of the Castle in the Rockies.

Canada’s surprisingly controversial monument to Dwight Eisenhower.

A display of magnificent stained glass windows is the first exhibit of its kind.

Chicago's Navy Pier on Lake Michigan was a training hub for aircraft carrier pilots during WWII.

Was there a small "backpack nuke" hidden in the attic? JFK apparently thought so.

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

The first presidential bomb shelter was located in an old vault under the Treasury, connected to the White House via tunnel.

There's an old indoor swimming pool hidden directly underneath the White House Press Briefing Room.

Disks are rolled out onto the south lawn to absorb the impact of Marine One's wheels like giant coffee coasters.

Daredevil repair workers can worm their way out the access hatch, loop ropes over the apex and rappel down the monument.

The monument's pointy aluminum tip has been melted down by repeated lightning strikes.

There's a 12-foot-tall replica of the Washington Monument hidden under a manhole nearby.

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

For 60 years, the academy had no permanent location until members voted Washington D.C. as its forever home.