Related Story: Four days after this RSR program aired, the European Space Agency announced that they had filmed an actual landslide on Comet 67P, an allegedly four billion year-old flying pile of rounded boulders and ice, yet another phenomenon for our List of the Solar System's Transient Events. * Dozens of Recently Fallen Geological Attractions: Real Science Radio hosts Bob Enyart and Fred Williams present a list of dozens of notable geologic features, many of them claimed to have formed over hundreds of thousands or millions of years, which have recently collapsed. However, if Earth's geological tourist attractions of structures like spires and arches actually were that old, then mathematically, we would not expect to see gravity destroying so many of them so rapidly. The old-earth model and its rejection of the global flood is challenged by the observation that on average over the past half century, more than one collapse of a notable arch or other geological attraction occurs per year, without anything like an offsetting replacement formation rate of new gravity-defying attractions. Thus these thousands of known geological features were formed by an intensity of geological processes not at work today and the population of them, far from being steady, is dwindling. 1500 - 2017 A.D.* List of Earth's Collapsing "Ancient" Features: We thank Creation magazine and David Catchpoole for assembling his list which then became the beginning of our own. So welcome to RSR's newest list, which is a subset of our List of the Transient Events in the Solar System. Thus, here's our list of the collapsed notable arches, etc. with no similar number of offsetting arches forming. - Eye of the Needle on the Missouri River in Montana, the famous Lewis and Clark arch, first documented in 1805, which collapsed evidently from natural causes in 2002. - Malta's Azure Window, the picturesque limestone arch on the famed Mediterranean island, is no longer as of March 7, 2017. Unlike many of the other formations in this list, an ancient heritage is not claimed for the Azure Window, but instead, that if formed a mere 500 years ago. (And still standing are 26 more arches on Malta's islands including the nearby Wied il-Mielah "Window".) - London Bridge in South Australia was a natural arch formation on the coast that, since 1990, is no longer. - Landscape Arch in Utah's Arches National Park, the fifth longest naturally occurring arch in the world (for now), became even less stable in 1991 when, after it's alleged "five-million-year history", a tourist just happen to catch on video a 70-foot slab fall off (see video below). Of the 43 known collapses at Arches since 1977, this partial fall was similar to the partial collapse in 2014 of the park's beautiful Ring Arch, which was part of the "Slick Rock" strata deposited allegedly "140 million years ago."  - Island Archway, just off of Australia's Victoria coast and part of the "Three Sisters" geological formation, collapsed in 2005. Off Duty: The Sentinel, Bryce Canyon. 5,000,000 B.C. - 2016 A.D.- The Sentinel, in Bryce Canyon National Park, Utah, fell in November 2016. The National Park Service reports that in Bryce, erosion removes a couple feet from such spires each year! Yet the NPS also provides information to the media as in Britain's Daily Mail headline that The Sentinel, "has stood in Utah canyon for millions of years." And yet park officials explained the "life cycle" of such features as "often one of gradual formation and sudden demise." Hmm. Estimating the age of an arch is more difficult than estimating the age of a spire. Why? It is the "hole" of the arch that defines such a feature. Obviously, the "hole" does not pre-date the strata above it. Yet the relative timing of when that hole eroded as compared to when the strata above it hardened may be difficult to estimate. On the other hand, with a spire (aka a hoodoo), the estimated lifetime of the spire must include the time it took to eroding away a