It's about one-forty-fifth as tall as Tugela Falls.
In other words, the height of Tugela Falls is 47.20 times 66 feet.(Royal Natal National Park, KwaZulu-Natal, South Africa)
Tugela Falls rises to 3,110 feet in height. The falls are the highest in Africa and the second highest in the world.
It's about one-fiftieth as tall as Angel Falls.
In other words, 66 feet is 0.0205 times the height of Angel Falls, and the height of Angel Falls is 48.80 times that amount.(a.k.a. Parakupa-vena, a.k.a. Kerepakupai mer&) (Auyantepui, Canaima National Park, Venezuela) (total height)
Angel Falls has a total height 3,210 feet. Jimmie Angel, the first person to publicize their existence outside Venezuela and the namesake of the falls, damaged his monoplane atop the falls and was forced to abandon it; it remained there until it was removed 33 years later.
It's about one-fiftieth as long as The Navy Pier.
In other words, the length of The Navy Pier is 50 times 66 feet.(a.k.a. Municipal Pier #2) (Chicago, Illinois)
The Navy Pier is 3,000 feet in total length. Originally named Municipal Pier #2, the pier was renamed Navy Pier in 1927 in honor of Naval personnel stationed there during World War I.
It's about one-fiftieth as tall as The Three Sisters Falls.
In other words, the height of The Three Sisters Falls is 50 times 66 feet.(a.k.a. Cataratas las Tres Hermanas) (Ayacucho, Peru)
The Three Sisters Falls rise to 3,000 feet in height. The falls are called Three Sisters after the three large tiers over which the falls flow.
It's about 55 times as tall as a Bowling Pin.
In other words, 66 feet is 52.80 times the height of a Bowling Pin, and the height of a Bowling Pin is 0.0189 times that amount.(USBC specifications; tenpin)
According to the United States Bowling Congress specifications, a tenpin bowling pin should be within 0.0026 feet of 1.250 feet in height. The USBC further mandates that certified pins be made of sugar maple wood, unless otherwise approved by the organization.
It's about one-ninety-fifth as long as The Preakness Stakes.
In other words, 66 feet is 0.01052632 times the length of The Preakness Stakes, and the length of The Preakness Stakes is 94.999960 times that amount.(Pimlico Race Course, Baltimore, Maryland) (total race length)
The total race length of the Preakness Stakes run at the Pimlico Race Course is 6,270 feet. Dubbed "the race for the Black-eyed Susans" after Maryland's state flower, the winning horse is actually draped with a garland of painted yellow daisies, as Black-eyed Susans do not bloom in time for the late-May race.
It's about one-one-hundredth as long as The Kentucky Derby.
In other words, the length of The Kentucky Derby is 100 times 66 feet.(Churchill Downs, Louisville, Kentucky) (total race length)
The total race length of the Kentucky Derby run at Churchill Downs is 6,600 feet. First run in 1864, the Kentucky Derby is one of the oldest continuously-running sporting events in America, almost two years older than the Westminster Kennel Club Dog Show