How long is 20 yards?

Blackpool Tower, part of an entertainment complex in Blackpool, Lancashire, England, measures 173 yards to its peak. Under ideal conditions, visitors to the highest accessible point of the tower can see as far as the Isle of Man — 105,000 yards to the northwest.

The seventeenth hole on Pebble Beach Golf Links is a par 3 measuring 177 yards from the blue tee. This hole was the site of professional golfer Jack Nicklaus' 1972 U.S. Open win, which included a 1-iron shot that bounced off the hole's flag and resulted in a birdie.

A Queen-Size mattress measures 2.2220 yards from head to foot. Although most antique beds were smaller than modern beds, it was not uncommon for beds in the medieval Europe to reach 5 sq. m (49 sq. ft) for those in positions of wealth or power.

A King-Size mattress measures 2.2220 yards from head to foot. Although most antique beds were smaller than modern beds, it was not uncommon for beds in the medieval Europe to reach 5 sq. m (49 sq. ft) for those in positions of wealth or power.

The Singapore Flyer has a height of 180 yards. Based on recommendations from Feng Shui masters, the wheel was re-engineered to spin in the opposite direction five months after it began operating.

Michael Jordan is 2.170 yards tall. While a sophomore in high school, Jordan was about 0.2190 yards shorter and was denied the opportunity to play on the varsity team, supposedly because his coach considered him too short.

The Washington Monument measures 185.140 yards tall, with some discrepancy due to the fact that the Monument's base is slightly below the surrounding ground. Interrupted in its construction by the American Civil War, it was almost 36 years between groundbreaking and the completion of construction.

St. Paul's Cathedral measures 190 yards to its peak. The southwest tower of the Cathedral contains the bell known as "Great Paul," which is the largest bell in Great Britain at 15,000 kg (16.5 tons), outweighing the more iconic Big Ben bell by about 3,000 kg (3 tons).

A Full-Size mattress measures 2.083 yards from head to foot. Although most antique beds were smaller than modern beds, it was not uncommon for beds in the medieval Europe to reach 5 sq. m (49 sq. ft) for those in positions of wealth or power.

A Twin-Size mattress measures 2.083 yards from head to foot. Although most antique beds were smaller than modern beds, it was not uncommon for beds in the medieval Europe to reach 5 sq. m (49 sq. ft) for those in positions of wealth or power.

Built for a 1962 World's Fair, the Space Needle stands 201 yards tall. With a track-and-wheel design inspired by railroad mechanics and a precisely-configured balance, the restaurant near the top of the space needle requires just a 1.5 hp motor to rotate at speeds of about 0.053 kph (0.033 mph).

A common refrigerator model measures 1.960 yards in total exterior height. When General Electric released its first widely-marketed refrigerator — the "Monitor Top" model — in 1927, it sold over one million units.

Despite his frequent characterizations as much shorter than average, Napoleon was a period-average height of approximately 1.90 yards. The mis-characterizations have been attributed to British propaganda and to the confusion between French and British units of measurements used at the time.

Danny DeVito, best known for his role as Louie De Palma in the 1978-83 television series Taxi, is 1.60 yards tall. After graduating from high school, DeVito became a licensed cosmetician and it was out of interest in cosmetology that he first enrolled at the American Academy of Dramatic Arts and later began to study acting.

The height of each tower of Golden Gate Bridge is 248 yards above the surface of the San Francisco Bay. One of the key designers of the bridge, Charles Ellis, had no engineering degree when he began working on the project, but would later go on to write what became a standard textbook on structural engineering, and would ultimately be forced to complete his calculations on the bridge by working without pay for five months.