Niagara Falls (Horseshoe)
168′ (2016 in / 5121 cm)

Official Measurement
5′7″
The Baseline
67 inches · 170 centimeters
5′7″
baseline
30x taller — not to scale
168′
Niagara Falls (Horseshoe)
That's 1949 inches taller.
The Horseshoe Falls drop 167 feet from crest to base. That is about 30 Tom Cruises falling simultaneously, though only the water does this regularly.
Fun Fact
About 750,000 gallons of water go over Niagara Falls every second. That is roughly 3,400 bathtubs per second, or one very dramatic Mission: Impossible stunt.