Helicopters

A converted hangar displays dozens of helicopters, from a famous 1943 rescue chopper to several autogyros.

The helicopter that "Tricky Dick" absconded from the White House in on his last day in office.

Revitalization efforts converted a former U.S. military heliport into a sprawling urban park.

Some believe that this ancient mural depicts technology far ahead of its time, but in reality it's nothing quite out of place.

The four landings commemorate a royal visit to Europe's biggest observatory.

A small cemetery remembers the British troops who fell during the Falklands War.

This Manhattan skyscraper is a reminder of the brief but glorious age of urban air taxis.

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

A preposterously luxurious hotel with gold-plated iPads, Rolls Royce chauffeurs, and a staff that trains by watching "Downton Abbey."

The world's largest museum devoted solely to the whirlybird comes complete with its own chopper graveyard.